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Issues
Volume 92, Number 9
September, 1981
ISSN 0016-7606
EISSN 1943-2674
The nature and magnetic expression of isograds in the contact aureole of the Liberty Hill pluton, South Carolina: Summary
GSA Bulletin September 01, 1981, Vol.92, 603-609. doi:https://doi.org/10.1130/0016-7606(1981)92<603:TNAMEO>2.0.CO;2
Introduction: Symposium on Industrial Minerals of the Upper Midwest
GSA Bulletin September 01, 1981, Vol.92, 610. doi:https://doi.org/10.1130/0016-7606(1981)92<610:ISOIMO>2.0.CO;2
Geologic types of glass-sand deposits and some North American representatives
GSA Bulletin September 01, 1981, Vol.92, 611-613. doi:https://doi.org/10.1130/0016-7606(1981)92<611:GTOGDA>2.0.CO;2
High-extraction magnetic filtration: A new beneficiation process for industrial minerals
GSA Bulletin September 01, 1981, Vol.92, 614-620. doi:https://doi.org/10.1130/0016-7606(1981)92<614:HMFANB>2.0.CO;2
High-calcium, high-reflectance limestone resources of Illinois
GSA Bulletin September 01, 1981, Vol.92, 621-628. doi:https://doi.org/10.1130/0016-7606(1981)92<621:HHLROI>2.0.CO;2
Chemical composition, stratigraphy, and depositional environments of the Black River Group (Middle Ordovician), southwestern Ohio
GSA Bulletin September 01, 1981, Vol.92, 629-633. doi:https://doi.org/10.1130/0016-7606(1981)92<629:CCSADE>2.0.CO;2
Evaluation of high-purity limestones and dolostones in northern Michigan
GSA Bulletin September 01, 1981, Vol.92, 634-640. doi:https://doi.org/10.1130/0016-7606(1981)92<634:EOHLAD>2.0.CO;2
Search for high-calcium limestone in Silurian reefs of northern Indiana
GSA Bulletin September 01, 1981, Vol.92, 641-647. doi:https://doi.org/10.1130/0016-7606(1981)92<641:SFHLIS>2.0.CO;2
Timing and mode of emplacement of the Roberts Mountains allochthon, Antler orogeny
GSA Bulletin September 01, 1981, Vol.92, 648-658. doi:https://doi.org/10.1130/0016-7606(1981)92<648:TAMOEO>2.0.CO;2
Geologic studies of the Columbia Plateau: Part I. Late Cenozoic evolution of the southeast part of the Columbia River Basalt Province
GSA Bulletin September 01, 1981, Vol.92, 659-668. doi:https://doi.org/10.1130/0016-7606(1981)92<659:GSOTCP>2.0.CO;2
Allometry and cirque evolution
GSA Bulletin September 01, 1981, Vol.92, 679-685. doi:https://doi.org/10.1130/0016-7606(1981)92<679:AACE>2.0.CO;2
Geology of the Ketcherside Mountain area, southeastern Missouri, and the source of Grassy Mountain Ignimbrite
GSA Bulletin September 01, 1981, Vol.92, 686-693. doi:https://doi.org/10.1130/0016-7606(1981)92<686:GOTKMA>2.0.CO;2
An analysis of drumlin form in the northeastern and north-central United States: Discussion and reply
GSA Bulletin September 01, 1981, Vol.92, 696. doi:https://doi.org/10.1130/0016-7606(1981)92<696:AAODFI>2.0.CO;2
