Stone in Archaeology Database

Grinshill Stone - White

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Local Name(s): Grinshill Stone - White. Example of Grinshill Stone - White
Stone Group: Sedimentary
Stone Type: Sandstone
Era:   Mesozoic
Period:   Triassic
Epoch:   Upper
Geological Sub-Divisons:

Keuper Sandstone

General Colour Description:

White Grinshill is a whitish grey, creamy buff colour with brown speckles. A red and a pink Grinshill sandstone are also quarried which are brownish red or purplish pink in colour

Hand Specimen Description:

It is a medium grained rock which is rough, hard and moderately well sorted. It comprises quartz, microcline, muscovite mica, potash feldspar, granitic inclusions, plagioclase feldspar, flint/chert, quartzite and dark iron ore.

Stone Identifiers: Granular.
Reacts dilute to HCl? No