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Title: diabase
Caption: Diabase is a basaltic rock which is comparatively coarse grained. Dolerite is a synonym for diabase. Diabase is made up of the essential minerals of basalt: olivine, augite and plagioclase feldspar. The chemical and microscopic features of diabase is almost identical to basalts.
Category: SCIENCE • nature • Ecology & Environment • Geology & Fossils
Credit: Album / Science Source / Ted Kinsman
Image size: 3610 × 2400 px | 24.8 MB
Print size: 30.6 × 20.3 cm | 1421.3 × 944.9 in (300 dpi)