TY - RPRT TI - Mineralogy and geochemistry of Fe-Ti oxide and apatite (nelsonite) deposits and evaluation of the liquid immiscibility hypothesis. AU - A. Kolker PY - 1982 DO - 10.2113/gsecongeo.77.5.1146 UR - https://pubs.usgs.gov/publication/70011827 ID - 70011827 ER -