Poldory Mine, United Mines (Gwennap United Mines), Clifford Amalgamated Mines, St Day, Gwennap CP, Cornwall, England, UK
|Latitude & Longitude (WGS84):||50° 13' 36'' North , 5° 10' 8'' West|
|Latitude & Longitude (decimal):||50.22692,-5.16900|
|UK National Grid Reference:||SW740412|
|Other regions containing this locality:||Devon and Cornwall metalliferous mining district, England, UK|
|Köppen climate type:||Cfb : Temperate oceanic climate|
Incorporated into the United Mines together with Ale and Cakes Mine and Wheal Cupboard in about 1780.
Poldory together with the now expanded United Mines was combined with the Great Consolidated Mines in 1861. The group, renamed Clifford Amalgamated Mines closed in 1870.
In the 1900s, Poldory formed part of Mount Wellington Mine that worked between 1923 and 1941 and again between 1976 and 1991.
7 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
252.17 - 298.9 Ma
|Paleozoic intrusive rocks|
Age: Permian (252.17 - 298.9 Ma)
Lithology: Intrusive igneous rocks
Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. 
358.9 - 382.7 Ma
|Upper Devonian Rocks (Undifferentiated)|
443.8 - 485.4 Ma