UK Grid Reference: SH606535
Latitude: 53°3'36"N
Longitude: 4°4'49"W
Shadow Gully is an eroded fault-line high on the south flank of Mt. Snowdon. The gully is floored with mineralised breccia cemented by hematite and magnetite in which microscopic grains of cassiterite and scheelite are present.
The mineralisation is fine-grained and its study involves the use of the petrological microscope.
Ref.:
CONSERVATION OF WALES' MINERAL HERITAGE: NATURAL EXPOSURES. John Mason
Mineral List
2 entries listed. 2 valid minerals.
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