Coverack Cove, Coverack, St Keverne, Lizard Peninsula, Cornwall, England, UK
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|Latitude & Longitude (WGS84):||50° 1' 28'' North , 5° 5' 49'' West|
|Latitude & Longitude (decimal):||50.0244444444, -5.09694444444|
|UK National Grid Reference:||SW782185|
In this cove, a part of an old oceanic mantle (former peridotite, now serpentinite) and crust (coarse-grained gabbro with cleavages of "diallage" up to 30 cm) is visible. Between them a "fossil MOHO" (the transition between crust and mantle) can be seen, a small layer of rock that originally was troctolite (olivine grains in feldspar), but the olivine is now heavily altered.
This slab was placed there during the Hercynian orogenesis.
7 valid minerals.
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Hall, A. (1979): Rodingites in the Lizard complex. Proceedings of the Ussher Society 4, 188-194.