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Local Name(s): | Guiting Stone - Yellow. | ||||||
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Stone Group: | Sedimentary | ||||||
Stone Type: | Limestone | ||||||
Geology: |
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Geological Sub-Divisons: | Inferior Oolite Group, Birdlip Limestone Formation, Cleeve Cloud Member. Lower part of the Inferior Oolite Group of north Cotswolds, at the horizon of the Pea Grit Formation of the Stroud -Cleeve Hill area (Green 1992: 113). |
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General Colour Description: | There are two types: a yellow Guiting stone - a warm brown to yellow/orange colour and a white stone (which overlies it at a slightly higher geological horizon) - white to dark cream in colour. |
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Hand Specimen Description: | A hard, medium grained, fossiliferous, oolitic limestone which is moderate to poorly sorted with a rough feel. It has prominent current bedding. Mineralogically it comprises quartz (often millet seed sand grains), feldspar (microcline), orthoclase feldspar, plagioclase feldspar and heavy minerals set in a calcareous/ferruginous matrix. The bioclasts include fossil shells, crinoids (crinoidal debris) and oolites. |
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Stone Identifiers: | Fossiliferous,  Oolitic. | ||||||
Reacts dilute to HCl? | Yes |