isopach map


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isopach map

[′ī·sə‚pak ‚map]
(geology)
Map of the areal extent and thickness variation of a stratigraphic unit; used in geological exploration for oil and for underground structural analysis.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The isopach map (Figure 6(a)) shows thickest Maidiping-Canglangpu Formations to be located in the center of the Sichuan basin, where the thickness is about 450-1700 m higher than 0-600 m at any other place.
Houtz, Isopach Map of the Sediments in the Pacific Ocean Basin, Color Map with Text, American Association of Petroleum Geologists, Tulsa, Okla, USA, 1979.
An isopach map of the Duperow Formation reveals that this unit thickens to the north with an overall change of 100 to 200 ft.
Bostock (1952) presented the first isopach map of the White River ash, and suggested that deposits up to 30 cm thick were found as far away as Carmacks, 330 km from the source.
The Rustler isopach map shows a northeast to southwest trending area of thinning located northeast of Cedar Lake Playa.
As described below, lithofacies and isopach maps were constructed from theavailablewellcontrol.
Isopach maps of key reservoir intervals of interest, including the Marcellus and Utica (Point Pleasant) shale formations;
The ages of key bio- and lithostratigraphic levels were interpolated from radiocarbon-dated intervals, and isopach maps were constructed between the dated horizons.
Whether they are trying to track down isopach maps and seismic stratigraphy data that details the Upper Pliocene and Quaternary deposits in the South Caspian Basin or are simply trying to find content related to a known geological basin, they need sophisticated data at their fingertips.
Model output can include geological cross sections and isopach maps, as well as grade and tonnage estimates.
Structure and isopach maps of the Paleozoic rocks of Indiana.
Sediment characteristics and surface, structure-contour, and isopach maps demonstrate that the alluvial deposits include at least 2 distinct units.