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| Content Provider | Springer Nature Link |
|---|---|
| Author | Abed, Abdulkader M. Abu Hamad, Abdalla Abul Khair, Hani Kraishan, Ghazi |
| Copyright Year | 2012 |
| Abstract | The Late Cenomanian Hummar Formation was studied in three sections in north and central Jordan, at Aameriyya, northeast of Na’ur and the Wadi Haur areas. The base in the Aameriyya area is marked by a subaerial unconformity overlain by a calcrete and a paleokarstic horizon, separating the underlying Fuheis Formation marl from the overlying Hummar Formation limestone. The emergent Aameriyya area is interpreted to have been a paleohigh, as a response to tectonism, and a basin and swell topography is invoked for the Late Cenomanian carbonate platform in this region. The Hummar Formation is believed to form one complete depositional sequence; the calcrete-karst represents a lowstand systems tract, the overlying 2-m massive rudstone/floatstone represents the transgressive systems tracts (TST), and the cortoid grainstone/packstone with clinoforms the highstand systems tracts. The topmost miliolid limestone is probably the late highstand topset of the sequence, followed upwards by the TST of the Shueib Formation marl of the next sequence. The sequence boundary at the upper contact of the Hummar Formation can be correlated regionally whereas the sequence boundary at its base with subaerial exposure has not been reported elsewhere in Jordan, the Negev, or Sinai. |
| Starting Page | 829 |
| Ending Page | 842 |
| Page Count | 14 |
| File Format | |
| ISSN | 01729179 |
| Journal | Facies |
| Volume Number | 59 |
| Issue Number | 4 |
| e-ISSN | 16124820 |
| Language | English |
| Publisher | Springer Berlin Heidelberg |
| Publisher Date | 2012-10-19 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Late Cenomanian Carbonates Cortoids Unconformity Paleohighs Calcrete Clinoforms Jordan Sedimentology Biogeosciences Geochemistry Paleontology Ecology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Geology Stratigraphy Paleontology |
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