| |
Gabbro:
A black, coarse-grained intrusive igneous rock that is the compositional equivalent of basalt. Composed of calcium-rich feldspars, pyroxene and possibly olivine, but containing little if any quartz.
Gage Height: ...
gabbro -- Highly mafic igneous plutonic rock, typically dark in color; rough plutonic equivalent of basalt.
Gastroliths -- Fossilized gizzard stones, usually only applicable in the fossil study of reptiles ...
Gabbro, Gelifluction, Glacial, Geologic Time Scale, Glacial Drift, Glacial Milk, Glacial Polish, Glacial Retreat, Glacial Surge, Glacier, Glaciofluvial, Gneiss, Graben Fault, Granite, ...
gabbro A coarse-grained igneous rock, chemically equivalent to a basalt.
gardening The constant and slow churning of the lunar regolith as the result of meteorite impacts.
Next is an anorthositic gabbro, a whitish rock dominated by feldspar. It is probably typical of the bulk of the original lunar crust, ...
 See also: Surface, Crust, Igneous rock, Basalt, Sediment
|
