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Mapping paleostructures from time-related aeromagnetic lineaments and photolineaments

Conference · · Geol. Soc. Am., Abstr. Programs; (United States)
OSTI ID:6383480
A classification of aeromagnetic lineaments has been adapted for use with photolineaments. William Dean Gibbons recently defined sets of structurally-high, aeromagnetic lineaments for each Phanerozoic period; e.g., N19/sup 0/W and N71/sup 0/E for Cambrian time. This model was tested on several Cambrian (Knox) oil fields in Kentucky by mapping dense sets of N34/sup 0/W, N19/sup 0/W, N86/sup 0/E, and N71/sup 0/E lineaments from air photos and interpreting drag folds from lineaments. A comparison of Knox structural contour maps with Cambrian drag fold maps indicates that drag fold maps approximate structural contour maps; clusters of N19/sup 0/W and N71/sup 0/E drag folds correspond to closed highs. Several porosity and permeability trends were identified for Cambrian and Ordovician reservoirs. This procedure for mapping paleohighs has been further tested in the Mid-Continent on structures that range in age from Cambrian to Cretaceous and is being used (with Landsat) to identify locations of paleostructures that range in age from Cambrian to Cretaceous and is being used (with Landsat) to identify locations of paleostructures for seismic surveys. With air photos the method is used for detailed studies on fracture, porosity/permeability trends and delineation of features identified first on Landsat. A current project in the Denver-Julesburg basin, using Landsat RBV images, in the search for new Pennsylvanian and Permian paleohighs.
Research Organization:
Peterson and Associates, Lincoln, NE (USA)
OSTI ID:
6383480
Report Number(s):
CONF-8510489-
Conference Information:
Journal Name: Geol. Soc. Am., Abstr. Programs; (United States) Journal Volume: 17
Country of Publication:
United States
Language:
English