Role of crude oil in the genesis of Mississippi Valley-type deposits. Evidence from the Cincinnati arch
Journal Article
·
· Geology; (United States)
- Univ. of Michigan, Ann Arbor, MI (United States)
- Univ. of Missouri, Rolla, MO (United States)
- Texas A M Univ., College Station, TX (United States)
- Univ. of Kentucky, Lexington, KY (United States)
- Univ. of Texas, Austin, TX (United States)
Mississippi Valley-type (MVT) sulfide minerals and oil from deposits along the Cincinnati arch have almost identical [delta][sup 34]S values (-9% to +9% for MVT sulfides, -12% to +9% for oils). These values are very similar to those for MVT sulfides and oil in the Illinois-Kentucky district and support their proposed inclusion in a regional hydrothermal system. Many MVT deposits with low [delta][sup 34]S values are closely associated with oil, whereas MVT deposits with high [delta][sup 34]S values often contain bitumen. Reduced sulfur in MVT deposits with high [delta][sup 34]S values probably came from thermochemical sulfate reduction, whereas that in MVT deposits with low [delta][sup 34]S values probably came from oil and related organic matter. Oil-related sulfur could have been derived from oil fields or disseminated oil and other organic matter in regional wallrocks. 44 refs., 3 figs., 2 tabs.
- OSTI ID:
- 7198690
- Journal Information:
- Geology; (United States), Journal Name: Geology; (United States) Vol. 22:7; ISSN 0091-7613; ISSN GLGYBA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020200 -- Petroleum-- Reserves
Geology
& Exploration
58 GEOSCIENCES
580000* -- Geosciences
AQUIFERS
BITUMENS
CHEMISTRY
COMPILED DATA
DATA
DEVELOPED COUNTRIES
GEOCHEMISTRY
GEOLOGIC DEPOSITS
INFORMATION
KENTUCKY
MINERAL RESOURCES
MINERALS
NORTH AMERICA
NUMERICAL DATA
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PETROLEUM DEPOSITS
RESOURCES
SULFIDE MINERALS
TAR
USA
020200 -- Petroleum-- Reserves
Geology
& Exploration
58 GEOSCIENCES
580000* -- Geosciences
AQUIFERS
BITUMENS
CHEMISTRY
COMPILED DATA
DATA
DEVELOPED COUNTRIES
GEOCHEMISTRY
GEOLOGIC DEPOSITS
INFORMATION
KENTUCKY
MINERAL RESOURCES
MINERALS
NORTH AMERICA
NUMERICAL DATA
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PETROLEUM DEPOSITS
RESOURCES
SULFIDE MINERALS
TAR
USA