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Abstract
The Triassic Shublik Formation in northern Alaska is one of the major source rocks in North America, having generated much of the petroleum in Prudhoe Bay and associated fields. The middle Shublik Formation, the focus of this study, is a highly phosphatic, organic-rich carbonate mudstone interval. Apatite cements can occur as phosphatic peloids, steinkerns, elongate or angular nodules, and shells or shell fragments. We propose a model whereby phosphatization is favored in early diagenetic environments that have low concentrations of dissolved iron relative to reactive organic matter in the pore water sulfate reduction zone.
Study Area
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Element cycling in the Middle-Late Triassic Shublik Formation: Mineralization vs. recycling of biolimiting nutrients in an unconventional resource play |
| Year Published | 2019 |
| Language | English |
| Publisher | CSPG |
| Contributing office(s) | Central Energy Resources Science Center |
| Description | 11 p. |
| Larger Work Type | Book |
| Larger Work Subtype | Conference publication |
| Larger Work Title | New directions in geosciences for unconventional resources |
| Conference Title | New Directions in Geosciences for Unconventional Resources |
| Conference Location | Banff, Canada |
| Conference Date | October 15-17, 2019 |
| Country | United States |
| State | Alaska |
| Other Geospatial | National Petroleum Reserve |
| Google Analytic Metrics | Metrics page |