Iowa portion of rift trend hosts wildcats

Journal Article · Mon May 07 04:00:00 EDT 1984 · Oil Gas J.; (United States)

OSTI ID:5682045

McCaslin, J C

Definite signs point to an exploratory effort beginning at the far southwestern end of Iowa's Keweenawan rift - a new frontier for oil and gas hunters. This new round of wildcatting is located on the Midcontinent rift trend, a major geological feature extending to great depths under parts of Michigan, Wisconsin, Minnesota (the Keweenawan rift system), Iowa, Nebraska, Missouri, and Kansas. Recent reports hint that leasing is underway in Minnesota, with interest developing in Iowa, Missouri, and Nebraska sectors. Geophysical evidence has led to the delineation of a rift system active during the Proterozoic Y era. Geologists have traced this system by the Midcontinent gravity high and corresponding aeromagnetic signature from the surface exposure of the Keweenawan supergroup in the Lake Superior basin southwest in the subsurface through the northern Midcontinent states.

• OSTI ID: 5682045
• Journal Information: Oil Gas J.; (United States), Journal Name: Oil Gas J.; (United States) Vol. 82; ISSN OIGJA
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020200 -- Petroleum-- Reserves
Geology
& Exploration
03 NATURAL GAS
030200* -- Natural Gas-- Reserves
Geology
& Exploration
EXPLORATION
FEDERAL REGION VII
GEOLOGIC DEPOSITS
GEOLOGIC STRUCTURES
GEOLOGY
IOWA
MINERAL RESOURCES
NATURAL GAS DEPOSITS
NORTH AMERICA
PETROLEUM DEPOSITS
RESOURCES
RIFT ZONES
USA