An integrated geophysical and geological study of the tectonic framework of the 38th Parallel Lineament in the vicinity of its intersection with the extension of the New Madrid Fault Zone. Geotechnical report

Technical Report · Fri Sep 01 04:00:00 EDT 1978

OSTI ID:6332202

Braile, L W; Hinze, J H; Keller, G R; Lidiak, E G

Extensive gravity and aeromagnetic surveys have been conducted in critical areas of Kentucky, Illinois, and Indiana centering around the intersection of the 38th Parallel Lineament and the extension of the New Madrid Fault Zone. Available aeromagnetic maps have been digitized and these data have been processed by a suite of computer programs developed for this purpose. Seismic equipment has been prepared for crustal seismic studies and a 150 km long seismic refraction line has been observed along the Wabash River Valley Fault System. Preliminary basement rock and configuration maps have been prepared based on studies of the samples derived from basement drill holes. Interpretation of these data are only at a preliminary stage, but studies to this date indicate that the 38th Parallel Lineament features extend as far north as 39 degrees N and a subtle northeasterly-striking magnetic and gravity anomaly cuts across Indiana from the southwest corner of the state, roughly on strike with the New Madrid Seismic Zone.

• Research Organization: Purdue Univ., Lafayette, IN (USA). Dept. of Geosciences
• OSTI ID: 6332202
• Report Number(s): PB-288414
• Country of Publication: United States
• Language: English

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GEOLOGIC FAULTS
GEOLOGIC STRUCTURES
GEOPHYSICAL SURVEYS
GRAVITY SURVEYS
GREAT LAKES REGION
ILLINOIS
INDIANA
KENTUCKY
MAGNETIC SURVEYS
NORTH AMERICA
REACTOR SAFETY
SAFETY
SOUTHEAST REGION
TECTONICS
USA