Geometry field for map rendering and spatial operations (PostGIS)
Vertical mine shaft with depth, levels, water depth, and condition
Inclined mine shaft with geometric orientation (dip/strike)
Horizontal access tunnel with directional orientation
Vertical shaft sunk downward from underground level
Vertical shaft driven upward from underground level
Alluvial/placer mining with depth to bedrock, gravel thickness, water source
Ore processing mill with capacity, method, and equipment details
Mining infrastructure buildings with purpose and condition
Extracts host rock, geological age, mineralisation style from geological descriptions
Extracts multiple mining feature types (shafts, trenches, pits, adits) from descriptions
Professional geological analysis via GeoGPT API