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Wheal Prosper, South Phoenix Mine, Minions, Linkinhorne, Cornwall, England, UKi

Regional Level Types
Wheal Prosper	Mine
South Phoenix Mine	Mine
Minions	Village
Linkinhorne	Civil Parish
Cornwall	County
England	Constituent Country
UK	Country

A small tin mine which was started around 1830. In 1836, it was amalgamated with other small mines in the area to form the Cornwall Great United Mines. After this group was dissolved a few years later, it lay idle until 1847, when it was amalgamated with the nearby Greenhill Mine to form South Phoenix Mine. Between 1888 and 1892, the Wheal Prosper section raised 309 tons of black tin, more than two thirds of the total tin production of South Phoenix Mine during that period of time.

Wheal Prosper section contains three ESE-trending lodes that are close together and occupy fault fissures at the contact between granite in the south and killas overlying a depression in the granite surface to the north. The most northerly of these lodes, Wheal Prosper No. 1 Lode, was opened up from Wheal Prosper Shaft to a depth of 60 fms below surface, and from a crosscut adit that was driven from the valley to the south below Minions village and meets the lode 30 fms east of Wheal Prosper Shaft at 10 fms below surface. New Shaft, 120 yards west of Wheal Prosper Shaft, extends only a short way below adit. Except for the bottom level at 50 fms below adit, which extends only 10 fms each way from the shaft, the lode was developed on a length of 100 fms on all levels, but only one third of the blocked out ground was removed and stopes are only on the upper levels. When the workings were prospected in 1907-1908, bunches of rich ore were encountered in a few isolated places, but the average grade of the lode was poor. Wheal Prosper No. 2 Lode was worked at a small scale from crosscuts driven from the workings on No. 1 Lode, while No. 3 Lode appears to have not been worked at all.

The grid reference marks the location of Wheal Prosper Shaft.

Geochronology

Geologic Time				Rocks, Minerals and Events
Phanerozoic
	Paleozoic
		Permian
			Guadalupian	ⓘ Major polymetallic mineralization ~270 Ma Cornwall, England, UK
			Cisuralian	ⓘ Porphyry dikes intruded (latest age) ~275 Ma Cornwall, England, UK ⓘ Greisenization (latest age) ~280 Ma Cornwall, England, UK ⓘ Porphyry dikes intruded (earliest age) ~280 Ma Cornwall, England, UK ⓘ Formation of metallized pegmatites ~285 Ma Cornwall, England, UK ⓘ Greisenization (earliest age) ~285 Ma Cornwall, England, UK ⓘ Emplacement of major plutons ~295 Ma Cornwall, England, UK

Other Regions, Features and Areas containing this locality

References

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