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Authors: Elder, William P.
Editors:
Date: /2004
Title: 2003 Megafossil report from the Chandler Lake Quadrangle, North Slope, Alaska
2004-2 , , 5 , 1 Fig.
Host: Alaska Division of Geological & Geophysical Surveys Preliminary Interpretative Report:
Document Type: Article\Abst.\Chapter\report
Annotation: In the summer of 2003, the Alaska Division of Geological & Geophysical Surveys (DGGS) conducted field studies in the central North Slope region as part of an ongoing effort in the National Petroleum Reserve in Alaska (NPRA) and Statemap projects. This report discloses the results of paleontological analyses performed on five megafossil samples that were collected during the field season. These fossils are of particular interest because they will help constrain the ages of the formations from which they were collected. The megafossils will also provide insight into the depositional environment of the deposits. These samples included in the analyses were collected from the Tuluvak and Okpikruak Formations within the Chandler Lake quadrangle (fig. 1). The data in this report are also available on the DGGS website at www.dggs.dnr.state.ak.us.
UserNote
03RR52D , Chandler Lake , Latitude: 68.85773; Longitude: 152.59596. Tuluvak Formation. Lithologic details: Very fine-grained, dark gray sandstone, parallel bedded, non-graded, laterally continuous.
Mytiloides mytiloides (Mantell)
03RR53A , Chandler Lake , Latitude: 68.88625; Longitude: 152.50837. Formation: Tuluvak. Lithologic details: Very fine-grained, medium to dark gray sandstone to silty shale, horizontally bedded with minor cross-beds.
Pholadomya aff. P. subelongata Meek
03DL34-2 , Chandler Lake , Latitude: 68.41120; Longitude: 150.90540. Formation: Okpikruak. Siltstone with thin-bedded sandstone. Weathers dark grey-black and brown-red respectively. Contains abundant flute casts and crawling traces.
Buchia sublaevis (Keyserling)?
03DL34-3A , Chandler Lake , Latitude: 68.41120; Longitude: 150.90540. Formation: Okpikruak. Siltstone with thin-bedded sandstone. Weathers dark grey-black and brown-red respectively. Contains abundant flute casts and crawling traces.
Buchia okensis (Pavlow)
03DL34-3B , Chandler Lake , Latitude: 68.41120; Longitude: 150.90540. Formation: Okpikruak. Siltstone with thin-bedded sandstone. Weathers dark grey-black and brown-red respectively. Contains abundant flute cast and crawling traces.
Buchia okensis (Pavlow)
03DL38-1 , Chandler Lake , Latitude: 68.41080; Longitude: 150.90440. Formation: Okpikruak. Litholic details: From the same exposure as 03DL34.
Buchia sublaevis (Keyserling)?
03DL38-2 , Chandler Lake , Latitude: 68.41080; Longitude: 150.90440. Formation: Okpikruak. From the same exposure as 03DL34.
Buchia sublaevis (Keyserling)?
03DL37-1 , Chandler Lake , Latitude: 68.41010; Longitude: 150.90320. Formation: Okpikruak. From the same exposure as 03DL34.
Buchia okensis (Pavlow)
03DL37-2 , Chandler Lake , Latitude: 68.41010; Longitude: 150.90320. Formation: Okpikruak. From the same exposure as 03DL34.
Buchia cf. B. uncitoides (Pavlow)