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"coordinates": [-111.410617, 27.015083] }, "properties": { "Collection_Method": "CTD", "Alvin_Dive_Number": null, "Core_Number": null, "Cast": 9, "depth": 1690.0, "Depth_cmbsf": null, "time": "2018-11-27T01:14:00Z", "Sample_Volume": 30.733, "Ra223_Activity": "0.159", "Ra223_Unc": "0.050", "Ra224_Activity": "1.036", "Ra224_Unc": "0.100", "Ra226_Activity": 31.878, "Ra226_Unc": 0.925, "Ra228_Activity": 0.819, "Ra228_Unc": 0.077 } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.410617, 27.0152] }, "properties": { "Collection_Method": "CTD", "Alvin_Dive_Number": null, "Core_Number": null, "Cast": 10, "depth": 1998.0, "Depth_cmbsf": null, "time": "2018-11-28T03:55:00Z", "Sample_Volume": 20.709, "Ra223_Activity": "0.717", "Ra223_Unc": "0.293", "Ra224_Activity": "17.048", "Ra224_Unc": "1.633", "Ra226_Activity": 21.449, "Ra226_Unc": 1.137, "Ra228_Activity": 0.542, "Ra228_Unc": 0.036 } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.410617, 27.0152] }, "properties": { "Collection_Method": "CTD", "Alvin_Dive_Number": null, "Core_Number": null, "Cast": 10, "depth": 1993.0, "Depth_cmbsf": null, "time": "2018-11-28T03:57:00Z", "Sample_Volume": 20.709, "Ra223_Activity": "BD", "Ra223_Unc": "BD", "Ra224_Activity": "39.166", "Ra224_Unc": "2.193", "Ra226_Activity": 38.127, "Ra226_Unc": 1.445, "Ra228_Activity": 2.929, "Ra228_Unc": 0.282 } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.410617, 27.0152] }, "properties": { "Collection_Method": "CTD", "Alvin_Dive_Number": null, "Core_Number": null, "Cast": 10, "depth": 1988.0, "Depth_cmbsf": null, "time": "2018-11-28T03:59:00Z", "Sample_Volume": 20.709, "Ra223_Activity": "BD", "Ra223_Unc": "BD", "Ra224_Activity": "18.878", "Ra224_Unc": "1.185", "Ra226_Activity": 26.807, "Ra226_Unc": 1.227, "Ra228_Activity": 1.352, "Ra228_Unc": 0.088 } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.409045, 27.007395] }, "properties": { "Collection_Method": "Core_top_waters", "Alvin_Dive_Number": 4993, "Core_Number": 14, "Cast": null, "depth": null, "Depth_cmbsf": null, "time": "2018-11-18T21:40:00Z", "Sample_Volume": 0.37, "Ra223_Activity": "7.679", "Ra223_Unc": "1.810", "Ra224_Activity": "202.782", "Ra224_Unc": "9.954", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.40763, 27.006402] }, "properties": { "Collection_Method": "Core_top_waters", "Alvin_Dive_Number": 4993, "Core_Number": 31, "Cast": null, "depth": null, "Depth_cmbsf": null, "time": "2018-11-18T22:30:00Z", "Sample_Volume": 0.235, "Ra223_Activity": "BD", "Ra223_Unc": "BD", "Ra224_Activity": "253.486", "Ra224_Unc": "14.170", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.404445, 27.011232] }, "properties": { "Collection_Method": "Core_top_waters", "Alvin_Dive_Number": 4994, "Core_Number": 15, "Cast": null, "depth": null, "Depth_cmbsf": null, "time": "2018-11-20T20:28:00Z", "Sample_Volume": 0.175, "Ra223_Activity": "BD", "Ra223_Unc": "BD", "Ra224_Activity": "701.357", "Ra224_Unc": "67.803", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.404355, 27.01121] }, "properties": { "Collection_Method": "Core_top_waters", "Alvin_Dive_Number": 4994, "Core_Number": 21, "Cast": null, "depth": null, "Depth_cmbsf": null, "time": "2018-11-20T20:07:00Z", "Sample_Volume": 0.095, "Ra223_Activity": "BD", "Ra223_Unc": "BD", "Ra224_Activity": "2774.159", "Ra224_Unc": "210.915", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.404368, 27.011185] }, "properties": { "Collection_Method": "Core_top_waters", "Alvin_Dive_Number": 4994, "Core_Number": 23, "Cast": null, "depth": null, "Depth_cmbsf": null, "time": "2018-11-20T19:20:00Z", "Sample_Volume": 0.42, "Ra223_Activity": "20.710", "Ra223_Unc": "5.979", "Ra224_Activity": "351.270", "Ra224_Unc": "25.285", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.404012, 27.011762] }, "properties": { "Collection_Method": "Core_top_waters", "Alvin_Dive_Number": 4997, "Core_Number": 4, "Cast": null, "depth": null, "Depth_cmbsf": null, "time": "2018-11-21T18:51:00Z", "Sample_Volume": 0.19, "Ra223_Activity": "83.512", "Ra223_Unc": "21.563", "Ra224_Activity": "1738.078", "Ra224_Unc": "99.197", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.40402, 27.0117] }, "properties": { "Collection_Method": "Core_top_waters", "Alvin_Dive_Number": 4997, "Core_Number": 6, "Cast": null, "depth": null, "Depth_cmbsf": null, "time": "2018-11-21T20:17:00Z", "Sample_Volume": 0.235, "Ra223_Activity": "6.754", "Ra223_Unc": "1.550", "Ra224_Activity": "925.356", "Ra224_Unc": "36.240", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.407322, 27.007392] }, "properties": { "Collection_Method": "Core_top_waters", "Alvin_Dive_Number": 4998, "Core_Number": 39, "Cast": null, "depth": null, "Depth_cmbsf": null, "time": "2018-11-23T20:54:00Z", "Sample_Volume": 0.77, "Ra223_Activity": "19.482", "Ra223_Unc": "5.403", "Ra224_Activity": "494.359", "Ra224_Unc": "31.329", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.407322, 27.007392] }, "properties": { "Collection_Method": "Core_top_waters", "Alvin_Dive_Number": 4998, "Core_Number": 45, "Cast": null, "depth": null, "Depth_cmbsf": null, "time": "2018-11-23T21:00:00Z", "Sample_Volume": 0.48, "Ra223_Activity": "92.035", "Ra223_Unc": "14.373", "Ra224_Activity": "3269.298", "Ra224_Unc": "105.571", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.407125, 27.007575] }, "properties": { "Collection_Method": "Core_top_waters", "Alvin_Dive_Number": 4999, "Core_Number": 7, "Cast": null, "depth": null, "Depth_cmbsf": null, "time": "2018-11-23T18:07:00Z", "Sample_Volume": 0.17, "Ra223_Activity": "59.617", "Ra223_Unc": "24.339", "Ra224_Activity": "367.852", "Ra224_Unc": "34.452", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.40663, 27.006937] }, "properties": { "Collection_Method": "Core_top_waters", "Alvin_Dive_Number": 4999, "Core_Number": 16, "Cast": null, "depth": null, "Depth_cmbsf": null, "time": "2018-11-24T15:43:00Z", "Sample_Volume": 0.33, "Ra223_Activity": "3.715", "Ra223_Unc": "1.404", "Ra224_Activity": "77.333", "Ra224_Unc": "5.686", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.404493, 27.011465] }, "properties": { "Collection_Method": "Core_top_waters", "Alvin_Dive_Number": 5000, "Core_Number": 2, "Cast": null, "depth": null, "Depth_cmbsf": null, "time": "2018-11-25T16:14:00Z", "Sample_Volume": 0.28, "Ra223_Activity": "BD", "Ra223_Unc": "BD", "Ra224_Activity": "448.002", "Ra224_Unc": "43.930", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.403877, 27.011813] }, "properties": { "Collection_Method": "Core_top_waters", "Alvin_Dive_Number": 5000, "Core_Number": 39, "Cast": null, "depth": null, "Depth_cmbsf": null, "time": "2018-11-25T19:35:00Z", "Sample_Volume": 0.74, "Ra223_Activity": "BD", "Ra223_Unc": "BD", "Ra224_Activity": "1147.860", "Ra224_Unc": "83.495", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.403877, 27.011813] }, "properties": { "Collection_Method": "Core_top_waters", "Alvin_Dive_Number": 5000, "Core_Number": 41, "Cast": null, "depth": null, "Depth_cmbsf": null, "time": "2018-11-25T19:42:00Z", "Sample_Volume": 0.69, "Ra223_Activity": "50.466", "Ra223_Unc": "12.617", "Ra224_Activity": "1272.444", "Ra224_Unc": "72.860", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.404413, 27.01179] }, "properties": { "Collection_Method": "Core_top_waters", "Alvin_Dive_Number": 5001, "Core_Number": 39, "Cast": null, "depth": null, "Depth_cmbsf": null, "time": "2018-11-26T18:35:00Z", "Sample_Volume": 0.75, "Ra223_Activity": "4.980", "Ra223_Unc": "1.438", "Ra224_Activity": "61.156", "Ra224_Unc": "4.850", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.4042, 27.011267] }, "properties": { "Collection_Method": "Alvin_Niskins", "Alvin_Dive_Number": 4994, "Core_Number": null, "Cast": null, "depth": 2011.0, "Depth_cmbsf": null, "time": "2018-11-20T20:40:00Z", "Sample_Volume": 2.13, "Ra223_Activity": "BD", "Ra223_Unc": "BD", "Ra224_Activity": "4.292", "Ra224_Unc": "0.607", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.405002, 27.012737] }, "properties": { "Collection_Method": "Alvin_Niskins", "Alvin_Dive_Number": 4997, "Core_Number": null, "Cast": null, "depth": 1995.0, "Depth_cmbsf": null, "time": "2018-11-22T17:50:00Z", "Sample_Volume": 1.24, "Ra223_Activity": "1.235", "Ra223_Unc": "0.412", "Ra224_Activity": "67.050", "Ra224_Unc": "4.275", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.407125, 27.007575] }, "properties": { "Collection_Method": "Alvin_Niskins", "Alvin_Dive_Number": 4999, "Core_Number": null, "Cast": null, "depth": 2009.0, "Depth_cmbsf": null, "time": "2018-11-24T18:21:00Z", "Sample_Volume": 1.23, "Ra223_Activity": "2.298", "Ra223_Unc": "0.663", "Ra224_Activity": "39.579", "Ra224_Unc": "2.864", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.403877, 27.011813] }, "properties": { "Collection_Method": "Alvin_Niskins", "Alvin_Dive_Number": 5000, "Core_Number": null, "Cast": null, "depth": 2006.0, "Depth_cmbsf": null, "time": "2018-11-25T19:54:00Z", "Sample_Volume": 0.49, "Ra223_Activity": "BD", "Ra223_Unc": "BD", "Ra224_Activity": "9.969", "Ra224_Unc": "1.486", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.404787, 27.01264] }, "properties": { "Collection_Method": "Alvin_Niskins", "Alvin_Dive_Number": 5000, "Core_Number": null, "Cast": null, "depth": 1993.0, "Depth_cmbsf": null, "time": "2018-11-25T21:01:00Z", "Sample_Volume": 0.19, "Ra223_Activity": "33.297", "Ra223_Unc": "11.099", "Ra224_Activity": "476.194", "Ra224_Unc": "43.470", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.407227, 27.007963] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4992, "Core_Number": 44, "Cast": null, "depth": null, "Depth_cmbsf": 2.0, "time": "2018-11-18T18:50:00Z", "Sample_Volume": 0.034, "Ra223_Activity": "83.600", "Ra223_Unc": "24.133", "Ra224_Activity": "2944.938", "Ra224_Unc": "180.227", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.407227, 27.007963] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4992, "Core_Number": 44, "Cast": null, "depth": null, "Depth_cmbsf": 6.0, "time": "2018-11-18T18:50:00Z", "Sample_Volume": 0.033, "Ra223_Activity": "231.304", "Ra223_Unc": "51.721", "Ra224_Activity": "2137.180", "Ra224_Unc": "147.130", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.407227, 27.007963] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4992, "Core_Number": 44, "Cast": null, "depth": null, "Depth_cmbsf": 10.0, "time": "2018-11-18T18:50:00Z", "Sample_Volume": 0.032, "Ra223_Activity": "502.617", "Ra223_Unc": "80.483", "Ra224_Activity": "3483.774", "Ra224_Unc": "191.486", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.407227, 27.007963] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4992, "Core_Number": 44, "Cast": null, "depth": null, "Depth_cmbsf": 14.0, "time": "2018-11-18T18:50:00Z", "Sample_Volume": 0.032, "Ra223_Activity": "406.751", "Ra223_Unc": "93.315", "Ra224_Activity": "4349.606", "Ra224_Unc": "295.270", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.407227, 27.007963] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4992, "Core_Number": 44, "Cast": null, "depth": null, "Depth_cmbsf": 18.0, "time": 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"2018-11-18T18:50:00Z", "Sample_Volume": 0.033, "Ra223_Activity": "315.875", "Ra223_Unc": "65.865", "Ra224_Activity": "4402.244", "Ra224_Unc": "250.841", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.407227, 27.007963] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4992, "Core_Number": 44, "Cast": null, "depth": null, "Depth_cmbsf": 46.0, "time": "2018-11-18T18:50:00Z", "Sample_Volume": 0.029, "Ra223_Activity": "274.186", "Ra223_Unc": "66.500", "Ra224_Activity": "3654.983", "Ra224_Unc": "243.126", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.409045, 27.007395] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4993, "Core_Number": 14, "Cast": null, "depth": null, "Depth_cmbsf": 2.0, "time": "2018-11-18T21:40:00Z", "Sample_Volume": 0.031, "Ra223_Activity": "71.232", "Ra223_Unc": "21.477", "Ra224_Activity": "2071.385", "Ra224_Unc": "133.987", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.409045, 27.007395] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4993, "Core_Number": 14, "Cast": null, "depth": null, "Depth_cmbsf": 6.0, "time": "2018-11-18T21:40:00Z", "Sample_Volume": 0.037, "Ra223_Activity": "102.030", "Ra223_Unc": "23.407", "Ra224_Activity": "2907.115", "Ra224_Unc": "149.132", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.409045, 27.007395] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4993, "Core_Number": 14, "Cast": null, "depth": null, "Depth_cmbsf": 10.0, "time": "2018-11-18T21:40:00Z", "Sample_Volume": 0.036, "Ra223_Activity": "267.541", "Ra223_Unc": "48.846", "Ra224_Activity": "2636.352", "Ra224_Unc": "148.072", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.409045, 27.007395] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4993, "Core_Number": 14, "Cast": null, "depth": null, "Depth_cmbsf": 14.0, "time": "2018-11-18T21:40:00Z", "Sample_Volume": 0.025, "Ra223_Activity": "150.268", "Ra223_Unc": "43.379", "Ra224_Activity": "1897.242", "Ra224_Unc": "148.150", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.40763, 27.006402] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4993, "Core_Number": 31, "Cast": null, "depth": null, "Depth_cmbsf": 2.5, "time": "2018-11-18T22:30:00Z", "Sample_Volume": 0.036, "Ra223_Activity": "148.127", "Ra223_Unc": "39.589", "Ra224_Activity": "2079.091", "Ra224_Unc": "150.438", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.40763, 27.006402] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4993, "Core_Number": 31, "Cast": null, "depth": null, "Depth_cmbsf": 7.5, "time": "2018-11-18T22:30:00Z", "Sample_Volume": 0.039, "Ra223_Activity": "78.332", "Ra223_Unc": "20.225", "Ra224_Activity": "974.049", "Ra224_Unc": "69.398", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.40763, 27.006402] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4993, "Core_Number": 31, "Cast": null, "depth": null, "Depth_cmbsf": 12.5, "time": "2018-11-18T22:30:00Z", "Sample_Volume": 0.047, "Ra223_Activity": "87.299", "Ra223_Unc": "29.100", "Ra224_Activity": "943.040", "Ra224_Unc": "91.596", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.40763, 27.006402] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4993, "Core_Number": 31, "Cast": null, "depth": null, "Depth_cmbsf": 17.5, "time": "2018-11-18T22:30:00Z", "Sample_Volume": 0.045, "Ra223_Activity": "63.304", "Ra223_Unc": "23.927", "Ra224_Activity": "976.485", "Ra224_Unc": "91.456", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.40763, 27.006402] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4993, "Core_Number": 31, "Cast": null, "depth": null, "Depth_cmbsf": 22.5, "time": "2018-11-18T22:30:00Z", "Sample_Volume": 0.048, "Ra223_Activity": "171.181", "Ra223_Unc": "44.199", "Ra224_Activity": "851.310", "Ra224_Unc": "87.343", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.40763, 27.006402] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4993, "Core_Number": 31, "Cast": null, "depth": null, "Depth_cmbsf": 27.5, "time": "2018-11-18T22:30:00Z", "Sample_Volume": 0.043, "Ra223_Activity": "79.045", "Ra223_Unc": "27.947", "Ra224_Activity": "1277.540", "Ra224_Unc": "114.267", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.40763, 27.006402] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4993, "Core_Number": 31, "Cast": null, "depth": null, "Depth_cmbsf": 32.5, "time": "2018-11-18T22:30:00Z", "Sample_Volume": 0.045, "Ra223_Activity": "192.801", "Ra223_Unc": "48.200", "Ra224_Activity": "2241.298", "Ra224_Unc": "164.340", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.40763, 27.006402] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4993, "Core_Number": 31, "Cast": null, "depth": null, "Depth_cmbsf": 37.5, "time": "2018-11-18T22:30:00Z", "Sample_Volume": 0.044, "Ra223_Activity": "BD", "Ra223_Unc": "BD", "Ra224_Activity": "2147.000", "Ra224_Unc": "152.197", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.40763, 27.006402] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4993, "Core_Number": 31, "Cast": null, "depth": null, "Depth_cmbsf": 42.5, "time": "2018-11-18T22:30:00Z", "Sample_Volume": 0.037, "Ra223_Activity": "52.608", "Ra223_Unc": "19.884", "Ra224_Activity": "2006.093", "Ra224_Unc": "153.410", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.404445, 27.011232] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4994, "Core_Number": 15, "Cast": null, "depth": null, "Depth_cmbsf": 2.0, "time": "2018-11-20T20:28:00Z", "Sample_Volume": 0.048, "Ra223_Activity": "BD", "Ra223_Unc": "BD", "Ra224_Activity": "6357.437", "Ra224_Unc": "447.308", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.404445, 27.011232] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4994, "Core_Number": 15, "Cast": null, "depth": null, "Depth_cmbsf": 6.0, "time": "2018-11-20T20:28:00Z", "Sample_Volume": 0.051, "Ra223_Activity": "83.621", "Ra223_Unc": 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"Ra224_Unc": "78.394", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.404355, 27.01121] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4994, "Core_Number": 21, "Cast": null, "depth": null, "Depth_cmbsf": 2.0, "time": "2018-11-20T20:07:00Z", "Sample_Volume": 0.038, "Ra223_Activity": "215.903", "Ra223_Unc": "46.031", "Ra224_Activity": "7291.041", "Ra224_Unc": "333.136", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.404355, 27.01121] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4994, "Core_Number": 21, "Cast": null, "depth": null, "Depth_cmbsf": 6.0, "time": "2018-11-20T20:07:00Z", "Sample_Volume": 0.052, "Ra223_Activity": "85.105", "Ra223_Unc": "30.089", "Ra224_Activity": "1422.706", "Ra224_Unc": 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null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.404368, 27.011185] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4994, "Core_Number": 23, "Cast": null, "depth": null, "Depth_cmbsf": 2.0, "time": "2018-11-20T19:20:00Z", "Sample_Volume": 0.033, "Ra223_Activity": "243.715", "Ra223_Unc": "70.354", "Ra224_Activity": "4275.297", "Ra224_Unc": "308.543", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.404368, 27.011185] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4994, "Core_Number": 23, "Cast": null, "depth": null, "Depth_cmbsf": 6.0, "time": "2018-11-20T19:20:00Z", "Sample_Volume": 0.033, "Ra223_Activity": "110.627", "Ra223_Unc": "39.113", "Ra224_Activity": "1936.466", "Ra224_Unc": "170.496", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.404368, 27.011185] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4994, "Core_Number": 23, "Cast": null, "depth": null, "Depth_cmbsf": 10.0, "time": "2018-11-20T19:20:00Z", "Sample_Volume": 0.033, "Ra223_Activity": "127.609", "Ra223_Unc": "45.117", "Ra224_Activity": "2038.933", "Ra224_Unc": "180.926", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.404012, 27.011762] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4997, "Core_Number": 4, "Cast": null, "depth": null, "Depth_cmbsf": 2.0, "time": "2018-11-21T18:51:00Z", "Sample_Volume": 0.045, "Ra223_Activity": "BD", "Ra223_Unc": "BD", "Ra224_Activity": "3103.519", "Ra224_Unc": "189.932", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.404012, 27.011762] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4997, "Core_Number": 4, "Cast": null, "depth": null, "Depth_cmbsf": 6.0, "time": "2018-11-21T18:51:00Z", "Sample_Volume": 0.045, "Ra223_Activity": "286.842", "Ra223_Unc": "57.368", "Ra224_Activity": "5090.591", "Ra224_Unc": "255.489", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.404012, 27.011762] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4997, "Core_Number": 4, "Cast": null, "depth": null, "Depth_cmbsf": 10.0, "time": "2018-11-21T18:51:00Z", "Sample_Volume": 0.039, "Ra223_Activity": "552.066", "Ra223_Unc": "96.102", "Ra224_Activity": "6309.989", "Ra224_Unc": "316.291", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.404012, 27.011762] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4997, "Core_Number": 4, "Cast": null, "depth": null, "Depth_cmbsf": 14.0, "time": "2018-11-21T18:51:00Z", "Sample_Volume": 0.036, "Ra223_Activity": "563.874", "Ra223_Unc": "95.312", "Ra224_Activity": "6247.385", "Ra224_Unc": "307.787", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.404012, 27.011762] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4997, "Core_Number": 4, "Cast": null, "depth": null, "Depth_cmbsf": 18.0, "time": "2018-11-21T18:51:00Z", "Sample_Volume": 0.041, "Ra223_Activity": "229.373", "Ra223_Unc": "52.622", "Ra224_Activity": "3206.426", "Ra224_Unc": "193.004", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": 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27.007392] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4998, "Core_Number": 39, "Cast": null, "depth": null, "Depth_cmbsf": 6.0, "time": "2018-11-23T20:54:00Z", "Sample_Volume": 0.044, "Ra223_Activity": "342.903", "Ra223_Unc": "76.675", "Ra224_Activity": "3432.434", "Ra224_Unc": "226.328", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.407322, 27.007392] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4998, "Core_Number": 39, "Cast": null, "depth": null, "Depth_cmbsf": 10.0, "time": "2018-11-23T20:54:00Z", "Sample_Volume": 0.037, "Ra223_Activity": "425.557", "Ra223_Unc": "103.213", "Ra224_Activity": "3104.330", "Ra224_Unc": "254.317", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.407322, 27.007392] }, 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"Collection_Method": "Porewater", "Alvin_Dive_Number": 4998, "Core_Number": 39, "Cast": null, "depth": null, "Depth_cmbsf": 22.0, "time": "2018-11-23T20:54:00Z", "Sample_Volume": 0.038, "Ra223_Activity": "671.249", "Ra223_Unc": "134.250", "Ra224_Activity": "3997.417", "Ra224_Unc": "297.950", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.407322, 27.007392] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4998, "Core_Number": 39, "Cast": null, "depth": null, "Depth_cmbsf": 26.0, "time": "2018-11-23T20:54:00Z", "Sample_Volume": 0.031, "Ra223_Activity": "495.302", "Ra223_Unc": "127.886", "Ra224_Activity": "5448.179", "Ra224_Unc": "411.844", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.407322, 27.007392] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4998, "Core_Number": 45, "Cast": null, "depth": null, "Depth_cmbsf": 2.0, "time": "2018-11-23T21:00:00Z", "Sample_Volume": 0.045, "Ra223_Activity": "152.063", "Ra223_Unc": "50.688", "Ra224_Activity": "5570.156", "Ra224_Unc": "386.221", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.407322, 27.007392] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4998, "Core_Number": 45, "Cast": null, "depth": null, "Depth_cmbsf": 6.0, "time": "2018-11-23T21:00:00Z", "Sample_Volume": 0.048, "Ra223_Activity": "289.276", "Ra223_Unc": "102.275", "Ra224_Activity": "10440.301", "Ra224_Unc": "763.470", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.407322, 27.007392] }, "properties": { 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"Alvin_Dive_Number": 4999, "Core_Number": 16, "Cast": null, "depth": null, "Depth_cmbsf": 2.0, "time": "2018-11-24T15:43:00Z", "Sample_Volume": 0.054, "Ra223_Activity": "BD", "Ra223_Unc": "BD", "Ra224_Activity": "21.899", "Ra224_Unc": "3.161", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.40663, 27.006937] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4999, "Core_Number": 16, "Cast": null, "depth": null, "Depth_cmbsf": 6.0, "time": "2018-11-24T15:43:00Z", "Sample_Volume": 0.057, "Ra223_Activity": "32.143", "Ra223_Unc": "9.279", "Ra224_Activity": "69.362", "Ra224_Unc": "6.971", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.40663, 27.006937] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4999, 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"Cast": null, "depth": null, "Depth_cmbsf": 2.0, "time": "2018-11-25T16:14:00Z", "Sample_Volume": 0.035, "Ra223_Activity": "BD", "Ra223_Unc": "BD", "Ra224_Activity": "1794.538", "Ra224_Unc": "146.037", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.404493, 27.011465] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4999, "Core_Number": 2, "Cast": null, "depth": null, "Depth_cmbsf": 6.0, "time": "2018-11-25T16:14:00Z", "Sample_Volume": 0.045, "Ra223_Activity": "BD", "Ra223_Unc": "BD", "Ra224_Activity": "1144.834", "Ra224_Unc": "101.190", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.404493, 27.011465] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 4999, "Core_Number": 2, "Cast": null, "depth": null, "Depth_cmbsf": 10.0, "time": "2018-11-25T16:14:00Z", "Sample_Volume": 0.036, "Ra223_Activity": "BD", "Ra223_Unc": "BD", "Ra224_Activity": "1103.330", "Ra224_Unc": "109.785", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.403877, 27.011813] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 5000, "Core_Number": 39, "Cast": null, "depth": null, "Depth_cmbsf": 2.0, "time": "2018-11-25T19:35:00Z", "Sample_Volume": 0.046, "Ra223_Activity": "BD", "Ra223_Unc": "BD", "Ra224_Activity": "15369.087", "Ra224_Unc": "620.246", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.403877, 27.011813] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 5000, "Core_Number": 39, "Cast": null, "depth": null, "Depth_cmbsf": 6.0, "time": "2018-11-25T19:35:00Z", "Sample_Volume": 0.055, "Ra223_Activity": "144.560", "Ra223_Unc": "37.325", "Ra224_Activity": "7211.869", "Ra224_Unc": "365.187", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.403877, 27.011813] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 5000, "Core_Number": 39, "Cast": null, "depth": null, "Depth_cmbsf": 10.0, "time": "2018-11-25T19:35:00Z", "Sample_Volume": 0.038, "Ra223_Activity": "217.928", "Ra223_Unc": "54.482", "Ra224_Activity": "3416.088", "Ra224_Unc": "222.841", "Ra226_Activity": null, "Ra226_Unc": null, "Ra228_Activity": null, "Ra228_Unc": null } }, {"type": "Feature", "geometry": { "type": "Point", "coordinates": [-111.403877, 27.011813] }, "properties": { "Collection_Method": "Porewater", "Alvin_Dive_Number": 5000, "Core_Number": 39, "Cast": null, "depth": null, "Depth_cmbsf": 14.0, "time": 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