SEQUENCE STRATIGRAPHY OF THE FILLMORE FORMATION (LOWER ORDOVICIAN), WEST-CENTRAL UTAHCopyright 2001 The Geological Society of America (GSA), all rights reserved. Permission is hereby granted to the author(s) of this abstract to reproduce and distribute it freely, for noncommercial purposes. ...
Possible sources of these elements include 1) Meteorite impact during middle Fillmore time, 2) hydrothermal vents at the time of deposition of the middle part of the Fillmore Formation, or 3) the granitic intrusion in the Notch Peak Formation.The concentration of nickel in two of the flat-...
All lithologies from a 100-meter section in the middle part of the Lower Ordovician Fillmore Formation at a single locality, the "Pyramid Section", contain anomalous levels of nickel and chromium. Preliminary data has also shown that there is significantly more nickel in the matrix of two FPCs...