New Observations on the Age and Structure of Proterozoic Quartzites in Wisconsin U.S. GEOLOGICAL SURVEY BULLETIN 1904-B AVAILABILITY OF BOOKS AND MAPS OF THE U.S. GEOLOGICAL SURVEY
نویسنده
چکیده
Bl Introduction Bl Acknowledgments B3 Description and interpretation of individual quartzite occurrences B3 Hamilton Mounds B3 Necedah area B6 Baraboo area B6 Waterloo area BIO Vesper quarry Bll Veedum area Bll Conglomerate at Hamann Creek B12 Rib Mountain B12 Quartzite at McCaslin and Thunder Mountains B12 Barron Quartzite and quartzite at Flambeau Ridge B14 Summary of interpretations B15 Age of quartzites B15 Structural summary B16 Tectonic implications B16 References cited B16
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