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This geologic map was made possible through the collaborative efforts of numerous contributors. Geologic field investigations and mapping were conducted by R.J. Gillis (2021), T.M. Herriott (2021), M.A. Wartes (2021), and A.L. Willingham (2021), with additional field contributions from N.T. Harun (2019), K.P. Helmold (2019), D.L. LePain (2019), and S.E. Portnoy (2021). GIS data layers were created by M.D. Hendricks (2019), A.L. Willingham (2019), A.E. Macpherson (2022), and K.A. Qureshi (2024, 2025). Cartographic design and layout were completed by A.E. Macpherson (2022) and K.A. Qureshi (2024, 2025). Peer review was provided by J.H. Long (2025). Ally M. Steinleitner implemented final database quality control and packaging. Funding for this project was provided by the State of Alaska and the U.S. Geological Survey's National Cooperative Geologic Mapping Program under STATEMAP award number G20AC00367. The views and conclusions contained in this document are those of the authors and should not be interpreted as necessarily representing the official policies, either expressed or implied, of the U.S. Government.
The Rooftop Ridge bedrock geologic map of the northeastern Chandler Lake Quadrangle documents the distribution, composition, and structure of exposed Cretaceous Brookian megasequence strata, including the Torok, Nanushuk, Seabee, Tuluvak, and Schrader Bluff Formations. The map provides critical geologic context for petroleum system components and supports a long-term DGGS initiative to develop a contiguous geologic map series across the Brooks Range foothills, enhancing the regional geologic framework of Alaska's North Slope.
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Are there legal restrictions on access or use of the data?Access_Constraints:
This report, map, and/or dataset is available directly from the State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys (see contact information below).Use_Constraints:Any hard copies or published datasets utilizing these datasets shall clearly indicate their source. If the user has modified the data in any way, the user is obligated to describe the types of modifications the user has made. The user specifically agrees not to misrepresent these datasets, nor to imply that changes made by the user were approved by the State of Alaska, Department of Natural Resources, Division of Geological & Geophysical Surveys. The State of Alaska makes no express or implied warranties (including warranties for merchantability and fitness) with respect to the character, functions, or capabilities of the electronic data or products or their appropriateness for any user's purposes. In no event will the State of Alaska be liable for any incidental, indirect, special, consequential, or other damages suffered by the user or any other person or entity whether from the use of the electronic services or products or any failure thereof or otherwise. In no event will the State of Alaska's liability to the Requestor or anyone else exceed the fee paid for the electronic service or product.
The State of Alaska makes no expressed or implied warranties (including warranties for merchantability and fitness) with respect to the character, functions, or capabilities of the electronic data or products or their appropriateness for any user's purposes. In no event will the State of Alaska be liable for any incidental, indirect, special, consequential, or other damages suffered by the user or any other person or entity whether from the use of the electronic services or products or any failure thereof or otherwise. In no event will the State of Alaska's liability to the Requestor or anyone else exceed the fee paid for the electronic service or product.
| Data format: | geologic map in format geodatabase |
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https://doi.org/10.14509/31722 |