The volcanogenic Mount Rogers Formation and the overlying glaciogenic Konnarock Formation
Subtitle: two late Proterozoic units in southwestern Virginia
By: by Douglas W. Rankin.
Series: U.S. Geological Survey bulletin ;; 2029
Publisher: U.S. G.P.O.; For sale by U.S. Geological Survey, Map Distribution
Published: 1993
Place of publication: Washington, D.C; Denver, CO
Language: eng
Number of pages: 26
Subjects: Geology, Stratigraphic -- Proterozoic.; Volcanic ash, tuff, etc. -- Virginia, Southwest.; Rocks, Sedimentary -- Virginia, Southwest.; Mount Rogers Formation.; Konnarock Formation.
Other titles: Mount Rogers Formation, Konnarock Formation (late Proterozoic) SW. Virginia.
Notes: Includes bibliographical references (p. 25-26).
"The Mount Rogers Formation, largely continental rift-facies volcanic rocks, is redefined, and the name Konnarock Formation is introduced for the overlying glaciogenic deposits of diamictite, arkose, and laminite. Four rhyolite members of the Mount Rogers are named and described."
Title on p. [4] of cover: Mount Rogers Formation, Konnarock Formation (late Proterozoic), SW. Virginia.