Geology, Stevenson Ridge (northeast part), Yukon / [by] J.J. Ryan ... [et al.].: M183-1/116-1-2013E-PDF

"The northeastern Stevenson Ridge map sheet (parts of NTS 115-J, I, P and O) is underlain by Paleozoic to Paleogene rocks that locally host Cu-Au porphyry and Au mineralization. The southwestern part of the area is dominated by the mid-Cretaceous Whitehorse plutonic suite which forms the backbone of the Dawson Range Mountains. The north side of the Dawson Range comprises rocks typical of the Yukon-Tanana terrane, including a belt of Permian Klondike schist (metavolcanic rocks), Permian Sulphur Creek plutonic suite and pre-Devonian Snowcap assemblage metasedimentary rocks. The northeast side of the area is dominated by the Mississippian Simpson Range plutonic suite that is intruded by the Triassic Pyroxene Mountain suite and early Jurassic Aishihik suite. The Mississippian to Jurassic rocks are thrust over the Snowcap assemblage along the post-Triassic Yukon River thrust. Late Cretaceous and younger faults occur throughout the area but have only modest offsets"--Abstract.

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Publication information
Department/Agency Canada. Natural Resources Canada.
Geological Survey of Canada.
Title Geology, Stevenson Ridge (northeast part), Yukon / [by] J.J. Ryan ... [et al.].
Series title Canadian geoscience map ; No. 116
Publication type Series - View Master Record
Language [English]
Earlier edition Geology, Stevenson Ridge (northeast part), Yukon
Format Electronic
Electronic document
Note(s) Includes bibliographical references.
Includes abstract in French.
Publishing information Ottawa : Natural Resources Canada, c2013.
Author / Contributor Ryan, J. J.
Description 1 map : col.
ISBN 978-1-100-22042-0
Catalogue number
  • M183-1/116-1-2013E-PDF
Departmental catalogue number 292407
Edition Preliminary 2nd ed.
Cartographic data Scale 1:100,000
Subject terms Geological maps
Geomorphology
Surficial geology
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