Geological Survey of Finland - Special Metals History
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This table contains the version history of the rows extracted from the 'Geological Survey of Finland' website, which originates from the country 'Finland' (ISO country code 'fi'). It is a historical record of the 'Rajapinnat GTK Kalliopera WFSErikoismetallit Erikoismetallit' base table. The table has additional columns compared to its base table, which include '_start_date' and '_end_date'. The '_start_date' column stores the extraction date of the row, while the '_end_date' column stores the date when a new version of the row was extracted. If the '_end_date' column is null, it indicates that the row is the most recent version. The table provides valuable data for data analytics applications. For instance, it can be used to analyze the occurrence and distribution of different commodities, their sizes, and types of occurrences. It also offers insights into the discovery years, provinces, deposit types, host rocks, wall rocks, deposit shapes, dips, and other geological characteristics. Moreover, the table includes information on date updates, measures of commodities, total resources, calculation methods, calculation years, UNFC classifications, current holders, dimensions (length and width in meters), geometry in GeoJSON and geotext formats, and other geometric properties. The data in this table can support various analytical studies related to geological resources, providing valuable insights for researchers, analysts, and decision-makers.
Field Descriptions
Name |
Data type |
Description |
_start_date | date | The start date indicating the validity period of the row version. |
_end_date | date | The end date indicating the validity period of the row version. |
_row_number | long | The row number of the version history. |
gml_id | string | The GML identifier. |
objectid | int | The object identifier. |
id | int | The unique identifier of the row. |
name | string | The name of the row. |
easting_euref | int | The easting coordinate in the EUREF coordinate system. |
northing_euref | int | The northing coordinate in the EUREF coordinate system. |
easting_ykj | int | The easting coordinate in the YKJ coordinate system. |
northing_ykj | int | The northing coordinate in the YKJ coordinate system. |
commodity | string | The commodity of the row. |
size_by_commodity | string | The size of the row based on the commodity. |
all_main_commodities | string | The list of all main commodities. |
other_commodities | string | The list of other commodities. |
ocurrence_type | string | The type of occurrence. |
discovery_year | int | The year of discovery. |
province | string | The province of the row. |
deposit_type | string | The type of deposit. |
host_rocks | string | The host rocks of the deposit. |
wall_rocks | string | The wall rocks of the deposit. |
deposit_shape | string | The shape of the deposit. |
dip | int | The dip of the deposit. |
date_updated | timestamp | The date of the last update. |
commodity_measure_total | string | The total measured commodity. |
resources_total | string | The total resources of the row. |
calc_method | string | The calculation method. |
calc_year | int | The year of calculation. |
unfc_classification | string | The UNFC classification. |
current_holder | string | The current holder of the row. |
length_m | int | The length in meters. |
width_m | int | The width in meters. |
geom_geojson | string | The geometry in GeoJSON format. |
geom_geotext | string | The geometry in GeoText format. |
geom_type | string | The type of geometry. |
geom_centroid | string | The centroid of the geometry. |
geom_center_x | double | The x-coordinate of the center of the geometry. |
geom_center_y | double | The y-coordinate of the center of the geometry. |
geom | binary | The geometry. |