Igneous rock similar to diorite, predominantly composed of ferromagnetic minerals with crystals visible to the eye; has the same mineral composition as basalt. DAC
This term has 13 records attributed within our system.
E.728.1954
E.727.1954
E.GA.1419.1943
E.531.1954
E.348.1932
E.GA.1423.1943
E.711.1954
E.532.1954
E.718.1954
E.GA.1436.1943
E.A.8
E.SC.291
E.GA.1425.1943
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