Pinch and Swell Rocks in Nigeria


The outcrop is located 10km away from Keffi. The outcrop is a major schist belt complex. The rock units are micacous with staurolite elongate enhadral in shape which is dark in colour. It has a common proportion of schistocity feldspar and calcium rich plagioclase.

The coordinates of the location are;
Latitude: 08 50'1"N
Longitude: 70 57' .1"E
Elevation: 255m
Strike N95 – N275
Dip amount 41o
Dip direction 185 SW

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