Diabase, dolerite or microgabbro is a subvolcanic rock equivalent to intrusive gabbro or extrusive basalt. Sample.

---

Size: 3453px × 5313px
Photo credit: © José María Barres Manuel / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: close-, diabase, dolerite, geology, hypabyssal, mafic, microgabbro, ofita, petrology, porphyry, rock, sample, subvolcanic, vertical