World rocks photo collection
Gabbro
Rock type:
Age:
340 millions years
Submitted 4 years 6 months ago by rock.
Greenish-gray gabbro. Lepidoblast and granoblast structure.Consist of: hornblende, augite, plagioclase. Accessory: apatite, zircon, sphene. Secondary minerals: chlorite, epidote, sericite. Middle paleozoic? Carboniferous?
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