Geochemical, Geochronologic, Rock-Eval, and Spectral Gamma Ray Data for Selected Triassic Rocks in Northwestern Alaska

This set of data files contains analyses of samples representing the Triassic Shublik and Otuk Formations in Alaska. The samples were collected from the Brontosaurus 1 well and measured stratigraphic sections at Surprise Creek and Cape Lisburne. The data set includes total organic carbon (TOC), Rock-Eval (Tmax) data, geochemical data from inductively coupled plasma-optical emission spectroscopy-mass spectroscopy (ICP-OES-MS) and X-ray diffraction (XRD), U-Pb zircon ages, and spectral gamma ray profiles. The data presented here are described and interpreted in a paper titled Biosiliceous, Organic-rich, and Phosphatic Facies of the Triassic in Northwest Alaska: Transect across a High-latitude, Low-angle Continental Margin.

Data and Resources

Field Value
accessLevel public
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identifier USGS:ASC461
metadata_type geospatial
modified 20220506
old-spatial -166.1, 68.7, -157.1, 71.0
publisher U.S. Geological Survey
publisher_hierarchy Department of the Interior > U.S. Geological Survey
resource-type Dataset
source_datajson_identifier true
source_hash af604c2a7a53e9ebde346016628bfcff06c8dbdc
source_schema_version 1.1
spatial {"type": "Polygon", "coordinates": [[[-166.1, 68.7], [-166.1, 71.0], [ -157.1, 71.0], [ -157.1, 68.7], [-166.1, 68.7]]]}
theme {geospatial}
Groups
  • AmeriGEOSS
  • National Provider
  • North America
Tags
  • alaska
  • amerigeo
  • amerigeoss
  • cape-lisburne
  • ckan
  • detrital-zircon
  • earth-science
  • earth-sciences
  • gamma-ray-logging
  • geo
  • geochemistry
  • geoscientificinformation
  • geoss
  • national
  • north-america
  • north-slope
  • otuk-formation
  • shublik-formation
  • stratigraphic-sections
  • stratigraphic-sequence
  • stratigraphy
  • surprise-creek
  • u-pb
  • united-states
  • uranium-lead-analysis
  • usgs-asc461
  • zircon
isopen False
license_id notspecified
license_title License not specified
maintainer U.S. Geological Survey, Alaska Science Center
maintainer_email ascweb@usgs.gov
metadata_created 2025-11-19T19:21:05.271257
metadata_modified 2025-11-19T19:21:05.271263
notes This set of data files contains analyses of samples representing the Triassic Shublik and Otuk Formations in Alaska. The samples were collected from the Brontosaurus 1 well and measured stratigraphic sections at Surprise Creek and Cape Lisburne. The data set includes total organic carbon (TOC), Rock-Eval (Tmax) data, geochemical data from inductively coupled plasma-optical emission spectroscopy-mass spectroscopy (ICP-OES-MS) and X-ray diffraction (XRD), U-Pb zircon ages, and spectral gamma ray profiles. The data presented here are described and interpreted in a paper titled Biosiliceous, Organic-rich, and Phosphatic Facies of the Triassic in Northwest Alaska: Transect across a High-latitude, Low-angle Continental Margin.
num_resources 2
num_tags 27
title Geochemical, Geochronologic, Rock-Eval, and Spectral Gamma Ray Data for Selected Triassic Rocks in Northwestern Alaska