|Latitude & Longitude (WGS84):||50° 5' 32'' North , 5° 21' 1'' West|
|Latitude & Longitude (decimal):||50.09227,-5.35031|
|UK National Grid Reference:||SW604268|
|Other regions containing this locality:||Devon and Cornwall metalliferous mining district, England, UK|
|Köppen climate type:||Cfb : Temperate oceanic climate|
Tristramite occurs as a direct replacement of vein pitchblende at Trequean.
2 valid minerals.
|Geologic Time||Rocks, Minerals and Events|
This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.
Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org
|Permian - Carboniferous|
252.17 - 358.9 Ma
|Unnamed Igneous Intrusion, Carboniferous To Permian|
Age: Paleozoic (252.17 - 358.9 Ma)
Reference: British Geological Survey. DiGMapGB-625. British Geological Survey ©NERC. 
358.9 - 382.7 Ma
|Late Devonian claystone|