Geochemical Isotope Data for Pb-Pb in Rock Samples - Geologian tutkimuskeskus (Geological Survey of Finland), Finland
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This table contains isotope data for lead (Pb) from the 'Geological Survey of Finland' (Geologian tutkimuskeskus). The data is sourced from the country Finland (ISO country code 'fi'). The table consists of various columns including extract date, row number, gml id, object id, sample id, map sheet, northing, easting, YKJ north original, YKJ east original, location, rock type, mineral material, Pb206 Pb204 isotope ratio, two sigma error estimate for Pb206 Pb204, Pb207 Pb204 isotope ratio, two sigma error estimate for Pb207 Pb204, Pb208 Pb204 isotope ratio, two sigma error estimate for Pb208 Pb204, group column, domain, reference, comments, sample field code, geometry in GeoJSON format, geometry in Geotext format, geometry type, geometry centroid, geometry center x, and geometry center y. This table provides valuable data for data analytics related to lead isotope analysis such as identifying rock types, analyzing mineral materials, calculating isotope ratios, estimating error values, categorizing data into groups, referencing sources, capturing comments, and visualizing spatial data using geometry information.
Field Descriptions
| Name |
Data type |
Description |
| _extract_date | date | The date when the data was extracted. |
|---|
| _row_number | long | The row number of the record. |
|---|
| gml_id | string | The unique identifier for the feature in GML format. |
|---|
| objectid | int | The unique identifier for the record. |
|---|
| sample_id | string | The unique identifier for the sample. |
|---|
| map_sheet | int | The map sheet code where the feature is located. |
|---|
| northing | int | The northing coordinate of the feature location. |
|---|
| easting | int | The easting coordinate of the feature location. |
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| ykj_north_original | int | The original YKJ north coordinate of the feature. |
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| ykj_east_original | int | The original YKJ east coordinate of the feature. |
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| location | string | The description of the feature location. |
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| rock_type | string | The type of rock. |
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| mineral_material | string | The type of mineral material. |
|---|
| pb206_pb204 | int | The ratio of Pb206 to Pb204 isotopes. |
|---|
| error_estimate_two_sigma | int | The error estimate for the Pb206/Pb204 ratio. |
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| pb207_pb204 | int | The ratio of Pb207 to Pb204 isotopes. |
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| error_estimate_two_sigma2 | int | The error estimate for the Pb207/Pb204 ratio. |
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| pb208_pb204 | int | The ratio of Pb208 to Pb204 isotopes. |
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| error_estimate_two_sigma3 | int | The error estimate for the Pb208/Pb204 ratio. |
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| group_col | string | The group column of the feature. |
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| domain | string | The domain of the feature. |
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| reference | string | The reference value for the feature. |
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| comments | string | Any additional comments or notes. |
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| sample_field_code | string | The field code for the sample. |
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| geom_geojson | string | The geometry of the feature in GeoJSON format. |
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| geom_geotext | string | The geometry of the feature in GeoText format. |
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| geom_type | string | The type of geometry. |
|---|
| geom_centroid | string | The centroid of the feature geometry. |
|---|
| geom_center_x | double | The X-coordinate of the centroid. |
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| geom_center_y | double | The Y-coordinate of the centroid. |
|---|
| geom | binary | The geometry of the feature. |
|---|
