31438511basic igneous rockPT2026-03-30 20:58:12UF31438512basic igneous rocksNDUF31438513basic rockNDUF31438514igneous rock, basicNDBT31412256igneous rock by composition: chemicalPTNT31457334basaltPTNT31457336diabasePTNT31457339gabbroPTNT31457340doleritePT