Paleozoic fluid history of the Michigan Basin; evidence from dolomite geochemistry in the Middle Ordovician St. Peter Sandstone

BL Winter, CM Johnson, JA Simo… - Journal of …, 1995 - pubs.geoscienceworld.org
The isotope (Sr and O) and elemental (Mg, Ca, Mn, Fe, and Sr) compositions of the various
dolomites in the Middle Ordovician St. Peter Sandstone in the Michigan Basin are …

Hydraulic seals and their origin: Evidence from the stable isotope geochemistry of dolomites in the middle Ordovician St. Peter Sandstone, Michigan Basin

BL Winter, JW Valley, JA Simo, GC Nadon… - AAPG …, 1995 - pubs.geoscienceworld.org
Regionally extensive, overpressured natural gas pools within the St. Peter Sandstone
(Middle Ordovician) of the Michigan basin are bounded by rock types that include 3–7-m …

Silica budget for a diagenetic seal

LD Shepherd, PA Drzewiecki, JM Bahr, JA Simo - 1994 - archives.datapages.com
Diagenetic banding commonly occurs in association with zones of abnormal fluid pressures
that have been identified as pressure compartments. Although diagenetically banded …