Whiddon, Chagford
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Whiddon is an historic estate in the parish of Chagford in Devon, England. The manor house, now known as Whiddon Park House, survives as a remnant of the larger 16th-century mansion house of the Whidd
Deer park wall at Whiddon, built of massive granite blocks by Sir John Whiddon (d.1576),
Granite
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Granite is a coarse-grained intrusive igneous rock composed mostly of quartz, alkali feldspar, mica and plagioclase. It forms from magma with a high content of silica and alkali metal oxides that slow
Granite containing plagioclase feldspar, potassium feldspar, quartz, biotite, and/or amphibole
Granite with a moderate amount of plagioclase, alkali feldspar, and quartz
Granite with a composition of alkali feldspar and quartz
Granite in thin section, under cross-polarized light