Mesozoic stratigraphy and paleoenvironments of the Exxon 975-1 well, US North Atlantic shelf
Northeastern Geology
By: L.J. Poppe and C. W. Poag
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Abstract
The Exxon 975-1 well, located in the southeastern part of the Georges Bank Basin, was drilled to a total depth of 4452 m relative to the Kelly Bushing. About 6860 m of sedimentary rocks overlie the Paleozoic basement at the Exxon 975-1 wellsite. The Jurassic/Cretaceous boundary in the well is placed at 1673 m; the Cretaceous/Tertiary boundary occurs at 384 m. A carbonate-evaporite sequence dominates the section below 3966 m (Iroquois Formation); limestone is the predominant lithology in the intervals 3810-3246 m and 1897-1654 m. Siliciclastics of the Mohican, undivided Mic Mac-Mohawk, Missisauga, Logan Canyon, and Dawson Canyon Formations dominate the remainder of the Mesozoic section. Lagoonal, tidal flat and sabkha paleoenvironments dominated during deposition of the Iroquois Formation. Lower delta plain and delta front palaeoenvironments prevailed during deposition of the Mohican, Misaine Shale, Mic Mac-Mohawk, Missisauga, and most of the Logan Canyon units. -from Authors
Suggested Citation
Poppe, L., Poag, C.W., 1993, Mesozoic stratigraphy and paleoenvironments of the Exxon 975-1 well, US North Atlantic shelf: Northeastern Geology, v. 15, no. 3-4, p. 200-209.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Mesozoic stratigraphy and paleoenvironments of the Exxon 975-1 well, US North Atlantic shelf |
| Series title | Northeastern Geology |
| Volume | 15 |
| Issue | 3-4 |
| Year Published | 1993 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Northeastern Geology |
| First page | 200 |
| Last page | 209 |