The Resource Geology of volcanic rocks in the south half of the Ishpeming greenstone belt, Michigan, by Theodore J. Bornhorst and Rodney C. Johnson

Geology of volcanic rocks in the south half of the Ishpeming greenstone belt, Michigan, by Theodore J. Bornhorst and Rodney C. Johnson

Label
Geology of volcanic rocks in the south half of the Ishpeming greenstone belt, Michigan
Title
Geology of volcanic rocks in the south half of the Ishpeming greenstone belt, Michigan
Statement of responsibility
by Theodore J. Bornhorst and Rodney C. Johnson
Title variation
Volcanic rocks, south half Ishpeming Greenstone Belt, Michigan
Creator
Contributor
Author
Subject
Language
eng
Summary
The south half of the Ishpeming greenstone belt is domi- nated by a thick succession of subaqueously erupted volcanic rocks. A regional structural interpretation of the belt provides a framework for placing this succession in a stratigraphic order. The south half of the Ishpeming greenstone belt preserves the remnants of overlapping subaqueous volcanic complexes within an arc system. The Kitchi Formation, as redefined herein, comprises the lower half of the volcanic succession and is subdivided into three informal units. The basal basalt flow unit is composed of pillowed, tholeiitic, basalt flows and minor banded iron-formation and dacitic tuff. It is overlain by the second and third units, which are tuff and lahar (volcanic debris flow) units that inter- finger with one another. These units range in composition from calc-alkalic basalt to dacite. The Kitchi Formation represents an evolving tholeiitic, mafic shield to calc-alkalic, mafic to felsic subaqueous volcano. The Mona Formation, which is redefined herein, is in structural contact with the Kitchi Formation, but is likely younger. It is subdivided into three informal units. The base consists of a basalt flow unit, which is composed of pillowed, tholeiitic to magnesium-rich basalt flows and minor amounts of banded iron-formation and tuff. The basalt is overlain by a calc-alkalic dacite to rhyolite lapilli-tuff unit and a laterally continuous upper tuff unit of calc-alkalic basalt to andesite. The Mona Formation represents an evolving tholeiitic, mafic shield to mafic-felsic calc-alkalic, mafic to felsic subaqueous volcano. The Deer Lake Peridotite, an ultramafic sill complex that intrudes the Kitchi Formation, is speculatively interpreted as a subvolcanic ultramafic komatiite base of the Mona Formation
Related
Member of
Action
will digitize
Cataloging source
DLC
http://bibfra.me/vocab/lite/collectionName
Technical Report Archive & Image Library (TRAIL)
http://library.link/vocab/creatorName
Bornhorst, Theodore J
Dewey number
  • 557.3 s
  • 552/.2/09774
Government publication
federal national government publication
Illustrations
  • illustrations
  • maps
Index
no index present
LC call number
QE75
LC item number
.B9 no. 1904-P
Literary form
non fiction
NAL call number
407
NAL item number
G29B no.1904-P
Nature of contents
bibliography
http://library.link/vocab/relatedWorkOrContributorName
  • Johnson, R. C.
  • Geological Survey (U.S.)
Series statement
  • Contributions to Precambrian geology of Lake Superior region
  • U.S. Geological Survey bulletin
Series volume
  • ch. P
  • 1904-P
http://library.link/vocab/subjectName
  • Volcanic ash, tuff, etc.
  • Geology, Stratigraphic
  • Geology
  • Archaean Geologic Period
  • Geology
  • Geology, Stratigraphic
  • Volcanic ash, tuff, etc
  • Michigan
  • Kitchi Formation
  • Mona Formation
Label
Geology of volcanic rocks in the south half of the Ishpeming greenstone belt, Michigan, by Theodore J. Bornhorst and Rodney C. Johnson
Link
Instantiates
Publication
Note
Shipping list no.: 1993-0285-P
Bibliography note
Includes bibliographical references (page 13)
Carrier category
volume
Carrier category code
nc
Carrier MARC source
rdacarrier
Content category
text
Content type code
txt
Content type MARC source
rdacontent
Dimensions
28 cm.
Extent
iii, 13 pages
Lccn
92027841
Media category
unmediated
Media MARC source
rdamedia
Media type code
n
Other physical details
illustrations, maps
System control number
  • (OCoLC)26404169
  • (OCoLC)ocm26404169
Label
Geology of volcanic rocks in the south half of the Ishpeming greenstone belt, Michigan, by Theodore J. Bornhorst and Rodney C. Johnson
Link
Publication
Note
Shipping list no.: 1993-0285-P
Bibliography note
Includes bibliographical references (page 13)
Carrier category
volume
Carrier category code
nc
Carrier MARC source
rdacarrier
Content category
text
Content type code
txt
Content type MARC source
rdacontent
Dimensions
28 cm.
Extent
iii, 13 pages
Lccn
92027841
Media category
unmediated
Media MARC source
rdamedia
Media type code
n
Other physical details
illustrations, maps
System control number
  • (OCoLC)26404169
  • (OCoLC)ocm26404169

Library Locations

  • Architecture LibraryBorrow it
    Gould Hall 830 Van Vleet Oval Rm. 105, Norman, OK, 73019, US
    35.205706 -97.445050
  • Bizzell Memorial LibraryBorrow it
    401 W. Brooks St., Norman, OK, 73019, US
    35.207487 -97.447906
  • Boorstin CollectionBorrow it
    401 W. Brooks St., Norman, OK, 73019, US
    35.207487 -97.447906
  • Chinese Literature Translation ArchiveBorrow it
    401 W. Brooks St., RM 414, Norman, OK, 73019, US
    35.207487 -97.447906
  • Engineering LibraryBorrow it
    Felgar Hall 865 Asp Avenue, Rm. 222, Norman, OK, 73019, US
    35.205706 -97.445050
  • Fine Arts LibraryBorrow it
    Catlett Music Center 500 West Boyd Street, Rm. 20, Norman, OK, 73019, US
    35.210371 -97.448244
  • Harry W. Bass Business History CollectionBorrow it
    401 W. Brooks St., Rm. 521NW, Norman, OK, 73019, US
    35.207487 -97.447906
  • History of Science CollectionsBorrow it
    401 W. Brooks St., Rm. 521NW, Norman, OK, 73019, US
    35.207487 -97.447906
  • John and Mary Nichols Rare Books and Special CollectionsBorrow it
    401 W. Brooks St., Rm. 509NW, Norman, OK, 73019, US
    35.207487 -97.447906
  • Library Service CenterBorrow it
    2601 Technology Place, Norman, OK, 73019, US
    35.185561 -97.398361
  • Price College Digital LibraryBorrow it
    Adams Hall 102 307 West Brooks St., Norman, OK, 73019, US
    35.210371 -97.448244
  • Western History CollectionsBorrow it
    Monnet Hall 630 Parrington Oval, Rm. 300, Norman, OK, 73019, US
    35.209584 -97.445414
Processing Feedback ...