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Baraboo Hills

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Journal Article
Published: 01 January 2021
The Journal of Geology (2021) 129 (1): 1–31.
...Esther K. Stewart; Latisha A. Brengman; Eric D. Stewart Abstract Up to 2 km of siliciclastic and chemical sedimentary rocks, metamorphosed to greenschist facies, are preserved in the Baraboo Hills of southern Wisconsin. The strata compose two sedimentary successions separated by an angular...
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Series: GSA Field Guide
Published: 01 January 2016
DOI: 10.1130/2016.0043(04)
EISBN: 9780813756431
...Cambrian Stratigraphy of Wisconsin Figure 1. Cambrian formations discriminated in western Wisconsin lose their identity by dissolving into conglomerate around the Baraboo Hills. Marine Origin Figure 2. Typical boulder conglomerate in Parfrey’s Glen (see Davis and Emerson...
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Simplified Precambrian geologic map of <span class="search-highlight">Baraboo</span> <span class="search-highlight">Hills</span>. The map patterns and ...
Published: 01 January 2021
Figure 2.  Simplified Precambrian geologic map of Baraboo Hills. The map patterns and structures reflect the geology as it exists today (a syncline) and do not reflect the geometry, dimensions, or basin-bounding faults of the original basin into which the Baraboo quartzite and overlying strata
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Figure 10. Van Hise Rock in the <span class="search-highlight">Baraboo</span> <span class="search-highlight">Hills</span> of southern Wisconsin,  desig...
Published: 01 August 2001
Figure 10. Van Hise Rock in the Baraboo Hills of southern Wisconsin, designated a National Historic Landmark in May 1999. Slaty cleavage is clear in the central dark, fine-grained zone to the left of the author and cross-bedding in the light-colored quartzite to the left of that. Note
Series: GSA Memoirs
Published: 01 January 1989
DOI: 10.1130/MEM173-p1
... During the last part of the Wisconsin Glaciation, central Wisconsin was occupied by a proglacial lake called Lake Wisconsin. Lake Wisconsin formed when the Green Bay Lobe of the Laurentide Ice Sheet reached the Baraboo Hills in south-central Wisconsin, damming the lowland to the north, which...
Series: GSA Special Papers
Published: 15 October 2019
DOI: 10.1130/2019.2543(02)
EISBN: 9780813795430
.... The most significant of these was glacial Lake Wisconsin, which formed when the Green Bay Lobe dammed the Wisconsin River at the east end of the Baraboo Hills. The most recent episode of permafrost in the Driftless Area lasted from ca. 33 to 14 ka; a suite of permafrost-related features that formed...
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a , Terrane map of Proterozoic and Archean provinces in southern Laurentia....
Published: 01 January 2021
, Generalized stratigraphic column for the Baraboo interval in the Baraboo Hills, southern Wisconsin, modified from Medaris et al. ( 2011 ). Thicknesses for the Baraboo through Freedom Formation are noted below the unit name on the stratigraphic column. Thickness ranges of Baraboo quartzite members are noted
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Figure 4. Photographs of sampling sites. Arrows show locations of where ind...
Published: 01 December 2002
Figure 4. Photographs of sampling sites. Arrows show locations of where individual samples were taken. A—Rock Springs Quarry site (WS-BG-1 and WS-BG-2); B—Baraboo Hills site (WS-14 and WS-15); C—Waterloo site (WS-1); D—Katsma Rock site (WS-19 and WS-20); E—ventifact features on striae
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Figure 2. Sampling sites and important sections from which organic material...
Published: 01 December 2002
Figure 2. Sampling sites and important sections from which organic material has been radiocarbon dated in southeastern Wisconsin. 1—Rock Springs Quarry site (10 km outside margin); 2—Baraboo Hills site (10 km inside margin); 3—Waterloo site (55 km inside margin); 4—Bush and Katsma Rocks site (30 km
Journal Article
Published: 01 January 2021
The Journal of Geology (2021) 129 (1): i–ii.
... paid at Chicago, Illinois, and at additional mailing office. q 2021 by The University of Chicago. All rights reserved. articles 1 Revised Provenance, Depositional Environment, and Maximum Depositional Age for the Baraboo (Baraboo Hills, Wisconsin esther...
Journal Article
Journal: GSA Bulletin
Published: 01 June 1978
GSA Bulletin (1978) 89 (6): 875–890.
... and basalt dikes. Forty new major- and trace-element analyses for the Fox River valley and Baraboo rhyolites and granites were used to subdivide these rocks into four chemical groups: (1) fine-grained granite at Baxter Hollow and coarse-grained rhyolite dikes at Observatory Hill are characterized by high CaO...
Series: GSA Field Guide
Published: 01 January 2016
DOI: 10.1130/2016.0043(01)
EISBN: 9780813756431
.... In the Baraboo Hills, the lack of coeval igneous rocks and the unusually simple geochemistry of the quartzite itself, together with the limited area of exposure, have made it challenging to constrain the ages of the sedimentary sequence and the folding event, as well as the tectonic causes of the much-studied...
FIGURES
Journal Article
Journal: GSA Bulletin
Published: 01 December 2002
GSA Bulletin (2002) 114 (12): 1581–1591.
...Figure 4. Photographs of sampling sites. Arrows show locations of where individual samples were taken. A—Rock Springs Quarry site (WS-BG-1 and WS-BG-2); B—Baraboo Hills site (WS-14 and WS-15); C—Waterloo site (WS-1); D—Katsma Rock site (WS-19 and WS-20); E—ventifact features on striae...
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Series: GSA Field Guide
Published: 01 January 2011
DOI: 10.1130/2011.0024(04)
EISBN: 9780813756240
... the older rocks over the eastern half of the Baraboo hills, which served as a buttress to the southwesterly flow of ice. The Johnstown terminal moraine represents the westernmost margin of the last glacial advance in this part of Wisconsin, which reached here ca. 18,500 years ago. All of the region...
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Series: GSA Special Papers
Published: 01 January 1939
DOI: 10.1130/SPE24-p39
... surface is irregular and nearly everywhere buried beneath Paleozoic and later sediments. The ancient crystallines appear at the surface in the Sioux quartzite area of southwestern Minnesota, the Black Hills of western South Dakota, the Baraboo region of Wisconsin, the St. Francis Mountains of eastern...
Series: GSA Field Guide
Published: 01 January 2016
DOI: 10.1130/2016.0043(02)
EISBN: 9780813756431
... underlies the highland areas of the district, known geographically as the Baraboo Range (Figs. 2A-2D). The Baraboo Range outlines an elongate, generally E-W-trending boat-shaped topographic basin. The hills to the north of this basin comprise the somewhat discontinuous and relatively narrow North Range (~2...
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Series: GSA Field Guide
Published: 01 January 2016
DOI: 10.1130/2016.0043(06)
EISBN: 9780813756431
... wave energy along the margin of the Baraboo quartzite islands. As detailed in the Cambrian chapter, tropical storm waves were thought to have tumbled, rounded and spread the Baraboo clasts all around the hills. The clasts are pretty well rounded indicating the combination of high energy...
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Journal Article
Published: 01 May 2004
The Journal of Geology (2004) 112 (3): 305–315.
...) and Observatory Hill rhyolite ( 1759 ± 2 Ma; Van Schmus et al. 2001 ). Petrographic descriptions of the Baraboo Quartzite show that it contains 95% quartz, 4% chert, and 1% feldspar and accessories (Dalziel and Dott 1970 ; Dott 1983 ). The low content of feldspar was attributed to extreme...
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Series: GSA Field Guide
Published: 01 January 2016
DOI: 10.1130/2016.0043(05)
EISBN: 9780813756431
... (Dott and Attig, 2004, used with permission). Figure 5. Block diagram of the Baraboo syncline showing where the edge of the glacier was relative to the hills of the Baraboo Quartzite (Dott and Attig, 2004, used with permission). Johnstown Moraine Figure 6. (A) Map showing...
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Journal Article
Journal: AAPG Bulletin
Published: 01 August 2004
AAPG Bulletin (2004) 88 (8): 1041–1047.
... ), the best known of which is the buried Teays Valley that extends northwest from Chillicothe to Celina, Ohio. Channels filled by the Mississippian Berea Sandstone are commonly reservoirs of hydrocarbon and natural gas ( Tomastik, 1996 ). Ancient hills that are found on the Cambrian–Ordovician Knox...
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