Thermal history of Michigan Basin and southern Canadian Shield from apatite fission track analysis
Abstract
Apatite fission track ages and confined-length distributions were collected from 38 basement outcrop and 5 basement drillcore samples in order to reconstruct the Phanerozoic thermal history of the Michigan Basin and southern Canadian Shield. The apatite data indicate two periods of thermal activity in the region: Triassic heating/cooling that affected the basin and adjacent shield and Cretaceous or post-Cretaceous heating/cooling that primarily affected the basin. The magnitude, timing, and cause of Cretaceous thermal activity cannot be identified with the present data. Model calculations suggest that some of the shield samples and probably all of the basin samples were heated to temperatures of at least 90C just prior to relatively rapid cooling in the Triassic. Available stratigraphic and geochemical constraints suggest that these elevated temperatures were the result of burial by an additional 2-5 km of late Paleozoic (probably Pennsylvanian and Permian) sediments. It is likely that the basin was buried during the Alleghenian Orogeny as observed for the adjacent Appalachian Basin.
- Authors:
-
- Miami Univ., Oxford, OH (USA)
- Publication Date:
- OSTI Identifier:
- 5589783
- Resource Type:
- Journal Article
- Journal Name:
- Journal of Geophysical Research; (United States)
- Additional Journal Information:
- Journal Volume: 96:B1; Journal ID: ISSN 0148-0227
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 58 GEOSCIENCES; CANADA; GEOLOGIC FORMATIONS; PALEOTEMPERATURE; AGE ESTIMATION; APATITES; BASEMENT ROCK; CENOZOIC ERA; CRETACEOUS PERIOD; DRILL CORES; FISSION TRACKS; GEOCHEMISTRY; GEOLOGIC HISTORY; GEOTHERMAL GRADIENTS; MESOZOIC ERA; OROGENESIS; PALEOZOIC ERA; SAMPLING; SEDIMENTARY BASINS; SEDIMENTS; STRATIGRAPHY; TRIASSIC PERIOD; CHEMISTRY; DEVELOPED COUNTRIES; GEOLOGIC AGES; GEOLOGIC STRUCTURES; GEOLOGY; MINERALS; NORTH AMERICA; PARTICLE TRACKS; PHOSPHATE MINERALS; TEMPERATURE GRADIENTS; 580000* - Geosciences
Citation Formats
Crowley, K D. Thermal history of Michigan Basin and southern Canadian Shield from apatite fission track analysis. United States: N. p., 1991.
Web. doi:10.1029/90JB02174.
Crowley, K D. Thermal history of Michigan Basin and southern Canadian Shield from apatite fission track analysis. United States. https://doi.org/10.1029/90JB02174
Crowley, K D. 1991.
"Thermal history of Michigan Basin and southern Canadian Shield from apatite fission track analysis". United States. https://doi.org/10.1029/90JB02174.
@article{osti_5589783,
title = {Thermal history of Michigan Basin and southern Canadian Shield from apatite fission track analysis},
author = {Crowley, K D},
abstractNote = {Apatite fission track ages and confined-length distributions were collected from 38 basement outcrop and 5 basement drillcore samples in order to reconstruct the Phanerozoic thermal history of the Michigan Basin and southern Canadian Shield. The apatite data indicate two periods of thermal activity in the region: Triassic heating/cooling that affected the basin and adjacent shield and Cretaceous or post-Cretaceous heating/cooling that primarily affected the basin. The magnitude, timing, and cause of Cretaceous thermal activity cannot be identified with the present data. Model calculations suggest that some of the shield samples and probably all of the basin samples were heated to temperatures of at least 90C just prior to relatively rapid cooling in the Triassic. Available stratigraphic and geochemical constraints suggest that these elevated temperatures were the result of burial by an additional 2-5 km of late Paleozoic (probably Pennsylvanian and Permian) sediments. It is likely that the basin was buried during the Alleghenian Orogeny as observed for the adjacent Appalachian Basin.},
doi = {10.1029/90JB02174},
url = {https://www.osti.gov/biblio/5589783},
journal = {Journal of Geophysical Research; (United States)},
issn = {0148-0227},
number = ,
volume = 96:B1,
place = {United States},
year = {Thu Jan 10 00:00:00 EST 1991},
month = {Thu Jan 10 00:00:00 EST 1991}
}