ssID minssID name Min_sample_ID data tags plagioclase k-feldspar microcline quartz hornblende magnesio-hornblende paragasitic-hornblende clinopyroxene orthopyroxene olivine albite tourmaline amphibole diopsite biotite chlorite muscovite garnet epidote talc actinolite allanite apatite sphene zircon monazite calcite carbonate zoisite clinozoisite sericite serpentine spinel fluorite fluorencite stilpnomelane myrmekite nontronite uralite magnetite ilmenite hematite rutile opaques mixed assemblages #points methods rock type sample location reference
215 2 Baltimore Gabbro Complex GC-1-78   35.8         7.5   30.7 5.2 2.7           10.7         0.1                       tr                         1200.0 OM     Hanan, B.B., 1980, Petrology and Geochemistry of the Baltimore Mafic Complex, Maryland, PhD thesis, Virginia Tech
266 21 Baltimore Gabbro Complex T105-1   41.3             41.2 14.5 3.0                                                                         OM olivine gabbro   Herz, N., 1950, The Petrology of the Baltimore Gabbro and the Petrography of the Baltimore-Patapsco Aqueduct, PhD thesis, Johns Hopkins University
267 30 Baltimore Gabbro Complex T127-1   0.6             63.5 13.7 22.2                                                                         OM lherzolite   Herz, N., 1950, The Petrology of the Baltimore Gabbro and the Petrography of the Baltimore-Patapsco Aqueduct, PhD thesis, Johns Hopkins University