TY - RPRT TI - Temperature effects on kerogen and on molecular and isotopic composition of organic matter in Pierre Shale near an igneous dike AU - J.L. Clayton AU - N. H. Bostick PY - 1986 DO - 10.1016/0146-6380(86)90017-3 UR - https://pubs.usgs.gov/publication/70014598 ID - 70014598 ER -