Mineralogical Composition: Intermediate; Quartz, Potassium Feldspar, Plagioclase Feldspar, Pyroxene, Amphibole, Biotite Texture (extrusive/intrusive): Intrusive; Phaneritic: coarse-grained Other distinctive properties: Dark gray; sold commercially as black granite%value%value%valu
SUMMARY. The Insch granite~liorite complex of Aberdeenshire consists of acid and intermediate igneou...
Mineralogical Composition: Felsic, Intermediat, and Mafic; Muscovite, Quartz, Potassium Feldspar, Pl...
Mineralogical Composition: Visible sparkling crystals of platy minerals, bladed crystals, or prismat...
Mineralogical Composition: Intermediate; Quartz, Potassium Feldspar, Plagioclase Feldspar, Pyroxene,...
Mineralogical Composition: Felsic; Muscovite, Quartz, Potassium Feldspar, Plagioclase Feldspar, Amph...
Mineralogical Composition: Felsic; Muscovite, Quartz, Potassium Feldspar, Plagioclase Feldspar, Amph...
Mineralogical Composition: Mafic; Plagioclase Feldspar, Olivine, Pyroxene, Amphibole Texture ...
Mineralogical Composition: Visible crystals of two or more minerals in alternating light and dark fo...
Mineralogical Composition: Quartz sand grains fused together; grains will not rub off like sandstone...
Mineralogical Composition: Intermediate; Quartz, Potassium Feldspar, Plagioclase Feldspar, Pyroxene,...
Mineralogical Composition: Mostly visible crystals of amphibole Texture (grain size, shape,...
Mineralogical Composition: Mafic; Plagioclase Feldspar, Olivine, Pyroxene, Amphibole Texture ...
SUMMARY. The Insch granite~liorite complex of Aberdeenshire consists of acid and intermediate igneou...
Mineralogical Composition: Felsic, Intermediat, and Mafic; Muscovite, Quartz, Potassium Feldspar, Pl...
Mineralogical Composition: Visible sparkling crystals of platy minerals, bladed crystals, or prismat...
Mineralogical Composition: Intermediate; Quartz, Potassium Feldspar, Plagioclase Feldspar, Pyroxene,...
Mineralogical Composition: Felsic; Muscovite, Quartz, Potassium Feldspar, Plagioclase Feldspar, Amph...
Mineralogical Composition: Felsic; Muscovite, Quartz, Potassium Feldspar, Plagioclase Feldspar, Amph...
Mineralogical Composition: Mafic; Plagioclase Feldspar, Olivine, Pyroxene, Amphibole Texture ...
Mineralogical Composition: Visible crystals of two or more minerals in alternating light and dark fo...
Mineralogical Composition: Quartz sand grains fused together; grains will not rub off like sandstone...
Mineralogical Composition: Intermediate; Quartz, Potassium Feldspar, Plagioclase Feldspar, Pyroxene,...
Mineralogical Composition: Mostly visible crystals of amphibole Texture (grain size, shape,...
Mineralogical Composition: Mafic; Plagioclase Feldspar, Olivine, Pyroxene, Amphibole Texture ...
SUMMARY. The Insch granite~liorite complex of Aberdeenshire consists of acid and intermediate igneou...
Mineralogical Composition: Felsic, Intermediat, and Mafic; Muscovite, Quartz, Potassium Feldspar, Pl...
Mineralogical Composition: Visible sparkling crystals of platy minerals, bladed crystals, or prismat...