Preliminary report on the stratigraphy and structure of the area of the Shadiovik and Canning Rivers, Alaska, 1947

Gryc, George; Mangus, Marvin D.

doi:10.3133/ofr54110

Cited by 6 publications

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“…age. Subsequent investigations (Gryc and Mangus, 1947) revealed that Early Cretaceous fossils occur in part of these beds and, later still (Keller and others, 1961), that part of the sequence was of Late Cretaceous age. Present usage is to place strata above the Kingak Shale and below Tertiary beds in the Ignek Formation.…”

Section: " R-________________________ ~14~7~o----------------------mentioning

confidence: 98%

“…The type locality is on the south side of Red Hill in Ignek Valley, at the west end of the Sadlerochit Mountains, where about 800 m (2,600 ft) of beds are exposed along the north bank of Ignek Creek. Subsequent investigations be Gryc and Mangus (1947) and Keller, Morris and Detterman (1961) determined that the formation included both Lower and Upper Cretaceous beds. Keller, Morris, and Detterman redefined the Ignek (p. 203) to include only those rocks that were the lithologic equivalent of the Nanushuk and Colville Groups, and placed the lowest Cretaceous beds in the Okpikruak Formation, which included the basal Kemik Sandstone Member.…”

Section: Kingak Shalementioning

confidence: 99%

“…During 1947-53 and in 1968 the U.S. Geological Survey conducted reconnaissance geologic surveys of small parts of the area. Reports by Gryc and Mangus (1947), Whittington and Sable (1948), Morris (1953) …”

Section: Previous Work and Acknowledgmentsmentioning

confidence: 99%

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Post-Carboniferous stratigraphy, northeastern Alaska

Detterman¹,

Reiser²,

Brosge³

et al. 1975

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Section: " R-________________________ ~14~7~o----------------------mentioning

confidence: 98%

Section: Kingak Shalementioning

confidence: 99%

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Post-Carboniferous stratigraphy, northeastern Alaska

Detterman¹,

Reiser²,

Brosge³

et al. 1975

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“…10 and 115). Characteristics of the strata indicate that the provenance of deposition and lithology of the source areas were considerably different than in southern Alaska during most of the Jurassic (Brosge and Tailleur, 1970;Detterman, 1973;Gryc and Lathram, 1954;Gryc and Mangus, 1954;Keller and others, 1961;Leffingwell, 1919;Reed, 1968;Reiser and Tailleur, 1969;Reiser and others, 1970;Sable, 1965;Smith and Mertie, 1930). However, marine connections with southern Alaska probably existed via Yukon Territory and east-central Alaska (Frebold and others, 1967;Jeletzky, 1962).…”

Section: Northern Alaskamentioning

confidence: 99%

Jurassic paleobiogeography of Alaska

Imlay¹,

Detterman²

1973

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FIGURES 1-9. Maps showing distribution of Jurassic fossils in Alaska: 1. All stages of the Jurassic ______ _____________. 2. Hettangian and Sinemurian ______-__________ __ ___. 3. Pliensbachian and Toarcian ____-_-______ __ _. 4. Bajocian ___________________ ______ _____ ______. 5. Bathonian and Callovian ___________ ________________ 6. Early Oxfordian ______________________________. 7. Late Oxfordian to early Kimmeridgian _ _____. 8. Late Kimmeridgian to early middle Tithonian __________. 9. Late middle to late Tithonian ____ ________________. 10. Index map of Jurassic areas in Alaska _____________________ 11. Correlation charts of Jurassic rocks in Alaska-_ ____________________ 12-15. Chart showing 12. Occurrences of unconformities in the Jurassic of Alaska _ _. 13. Correlation of Hettangian to Toarcian ammonite faunas in Alaska. 14. Correlation of Bajocian to Callovian ammonite faunas in Alaska 15.

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“…Payne and others (1951) mapped these rocks as the Nanushuk and Colville Groups. Gryc and Mangus (1947) and Keller and others (1961) included both Lower and Upper Cretaceous beds in the Ignek Formation. Keller and others (1961) redefined Leffingwell's Ignek Formation to include strata that unconformably overlie the Okpikruak and Kingak Formations and underlie the Sagavanirktok Formation from the Ivishak River to the Canning River and eastward.…”

Section: Introductionmentioning

confidence: 99%

Short Notes on Alaskan Geology 1991

1991

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"Short Notes on Alaskan Geology" is a collection of brief contributions describing recent geological investigations of limited scope. This publication is widely distributed to a state, national, and international audience that represents industry, academia, government agencies, and the general public. Manuscripts are accepted for consideration with the understanding that they have not been previously published and are not being submitted for publication elsewhere, that all persons listed as authors have given their approval for submission of the paper, and that any person cited as a source of personal communication has approved such a citation. Authors are encouraged to suggest appropriate reviewers and provide reviewer's telephone numbers. SUBMISSION OF MANUSCRIPTSAuthors should submit three paper copies of their draft manuscripts to Short Notes Editor, Alaska Division of Geological and Geophysical Surveys, 794 University Avenue, Suite 200, Fairbanks, Alaska 99709-3645. Contributors should retain one copy of all materials submitted; DGGS is not responsible for materials lost in the mail. In general, articles are limited to no more than 10 manuscript pages (about 2,000 words of text), including references, figures, and tables.All draft manuscripts will be examined and approved by the DGGS editor and at least two technically-competent reviewers. After technical reviews are completed, copies of review forms and reviewed manuscript pages will be returned to the author for revision (if required) and resubmittal. Conflicts between reviewers and authors must be resolved to the satisfaction of the DGGS editor before final acceptance of manuscripts. Final submittals must be provided as double-spaced paper copy and on high-density PC diskette (Microsoft Word or Word Perfect). Questions should be directed to the DGGS editor [(907) 474-7147] prior to mailing. Substantial changes by the authorwhether scientific or editorial-are not permitted after the manuscript is in galley form. TEXT PREPARATIONManuscripts should be double spaced with 1-inch margins on all sides. The title page should include the title of the article and the name(s) and affiliation(s) of the author(s). Because of the brevity of Short Notes articles, tables of contents, lists of illustrations, and abstracts are not accepted. Words to be printed in italics should be typed in italics.Specific guidelines for units of measure, abbreviations, references, etc. are provided in "Suggestions to Authors of Reports of the United States Geological Survey (7th edition)" or "Government Printing Office Style Manual 1973." Potential authors are also encouraged to consult the latest issue of Short Notes for information. PREPARATION OF ILLUSTRATIONSAll figures should be provided in camera-ready form. Computer-generated illustrations are acceptable. Line figures are generally published in black and white, but color art may be accepted with the understanding that the author will pay additional costs (color separation and printing) for colored figures. Current page-cost infor...

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Preliminary report on the stratigraphy and structure of the area of the Shadiovik and Canning Rivers, Alaska, 1947

Cited by 6 publications

References 0 publications

Post-Carboniferous stratigraphy, northeastern Alaska

Post-Carboniferous stratigraphy, northeastern Alaska

Jurassic paleobiogeography of Alaska

Short Notes on Alaskan Geology 1991

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