Geology of the Whitehorse caldera and caldera-fill deposits, Malheur County, Oregon

Cover of: Geology of the Whitehorse caldera and caldera-fill deposits, Malheur County, Oregon |

Published by U.S. Dept. of the Interior, Geological Survey in [Reston, Va.?] .

Written in English

Read online

Subjects:

  • Geology -- Oregon -- Malheur County

Edition Notes

Book details

Statementby James J. Rytuba, Scott A. Minor, and Edwin H. McKee
SeriesU.S. Geological Survey open-file report -- 81-1092, Open-file report (Geological Survey (U.S.)) -- 81-1092
ContributionsMinor, Scott A, McKee, Edwin H, Geological Survey (U.S.)
The Physical Object
FormatMicroform
Pagination1 v.
ID Numbers
Open LibraryOL13605700M

Download Geology of the Whitehorse caldera and caldera-fill deposits, Malheur County, Oregon

Get this from a library. Geology of the Whitehorse caldera and caldera-fill deposits, Malheur County, Oregon. [James J Rytuba; Scott A Minor; Edwin H McKee; Geological Survey (U.S.)]. The McDermitt caldera is a well-known and well-exposed but poorly documented part of the Yellowstone hotspot track in northern Nevada and southeastern Oregon, USA (Figs.

1 and 2) that is important for many caldera has long been cited as the point of initiation of the hotspot track (Pierce and Morgan, ).The interrelated Columbia River Basalt Group and Cited by: 5. @article{osti_, title = {Relation of mercury, uranium, and lithium deposits to the McDermitt caldera complex, Nevada-Oregon}, author = {Rytuba, J.J.

and Glanzman, R.K.}, abstractNote = {The McDermitt caldera complex, located along the Nevada-Oregon border, is a Miocene collapse structure 45 kilometer in diameter.

Large-volume rhyolitic and peralkaline. Geology of the Whitehorse caldera Publication. Reston, Va., U.S. Geological Survey, ; Note. Title on accompanying text: Geology of the Whitehorse caldera and caldera-fill deposits, Malheur County, Oregon / by James J.

Rytuba, Scott A. Minor, and Edwin H. McKee; Title on accompanying lithology: Geology and mineralogy of White Horse caldera. Subsidence of the Oregon-Idaho graben (– Ma) coincides with eruption of rhyolite flows and caldera-related ash-flow tuffs from vents along the margins and within the graben.

Caldera fill sediments, Tswt. Caldera fill sediments, Ttc. Unit Pzrm in the Snake Mountains. Significant bedded barite deposits occur in Ordovician and Devonian rocks of the Roberts Mountains allochthon (Pzrm).

The Rio Tinto VMS deposit is hosted in shales of the Ordovician Valmy Group of the Roberts Mountains allochthon (Pzrm). Full text of "Monthly catalog of United States government publications" See other formats.

66229 views Monday, November 16, 2020