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Baraboo Syncline

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Journal Article
Journal: GSA Bulletin
Published: 01 December 1975
GSA Bulletin (1975) 86 (12): 1671–1690.
...I.W.D. DALZIEL; G. L. STIREWALT Abstract Analysis of quartz subfabric elements was undertaken in specimens of Precambrian Baraboo Quartzite collected around the doubly plunging, asymmetric Baraboo syncline. Principal stress axes determined from quartz deformation lamellae in specimens from...
Image
Location map. Box in inset map surrounds the <span class="search-highlight">Baraboo</span> <span class="search-highlight">Syncline</span> and encompass...
Published: 01 September 2001
Figure 4 Location map. Box in inset map surrounds the Baraboo Syncline and encompasses area of sample collection.
Series: GSA Field Guide
Published: 01 January 2016
DOI: 10.1130/2016.0043(02)
EISBN: 9780813756431
... District, showing the modern concept of the Baraboo Syncline ( Weidman, 1904 ; as reproduced in Van Hise and Leith, 1911). History of Structural Study in the Baraboo Syncline The Regional-Scale Baraboo Syncline The Great Unconformity Figure 2. Relationship between structure...
FIGURES | View All (21)
Journal Article
Journal: GSA Bulletin
Published: 01 October 1964
GSA Bulletin (1964) 75 (10): 1045–1050.
...T. E HENDRIX; M SCHAIOWITZ Abstract Some of the minor structures in the Baraboo Quartzite on the southern limb of the Baraboo syncline, including the well-known fracture cleavage and the drag folds exposed near Devil's Lake, dip northward at angles greater than bedding and are “normal...
Series: Geological Society, London, Special Publications
Published: 02 January 2020
DOI: 10.1144/SP487-2018-49
EISBN: 9781786204721
... Abstract Cleavage refraction angles are used to estimate effective viscosity contrasts between interlayered quartzites and phyllites within the Baraboo Syncline, Wisconsin, USA. Both types of layers contain two major phases, quartz and pyrophyllite, with minor amounts of hematite. Quartz...
FIGURES | View All (7)
Image
Simplified geologic map of Wisconsin (WI) in the upper Midwest, USA, showin...
Published: 01 July 2008
Figure 1 Simplified geologic map of Wisconsin (WI) in the upper Midwest, USA, showing general distributions of Precambrian and Paleozoic rocks; note location of Baraboo syncline in south-central Wisconsin, with stars denoting locations of two Baraboo paleoweathering profiles first identified
Image
Figure 10. Van Hise Rock in the <span class="search-highlight">Baraboo</span> Hills 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
Book Chapter

Series: GSA Field Guide
Published: 01 January 2016
EISBN: 9780813756431
... Syncline (L.J. Maher Jr.). Figure 5. Two aerial photos showing Devil’s Lake. (A) Looking to the south, and (B) looking to the north with the relict channel of the Wisconsin River in the lower right corner (L.J. Maher Jr.). Summary The Baraboo area of south-central Wisconsin is probably...
FIGURES | View All (5)
Series: GSA Field Guide
Published: 01 January 2016
DOI: 10.1130/2016.0043(05)
EISBN: 9780813756431
... Figure 2. Oblique aerial photo of the Lower Narrows gorge with State Highway 33 in the middle near the eastern end of the Baraboo syncline looking to the north (photo by L.J. Maher Jr.). Figure 3. General map of the Wisconsin area showing the various lobes of the Laurentian ice sheet, Lake...
FIGURES | View All (14)
Image
Top , location map of southern Laurentia on a DEM (digital elevation model)...
Published: 01 November 2013
Geo-group 2006 ), along with the foreland Animikie basin and Penokean Belt. BS = Baraboo Syncline; GIPB = Green Island plutonic belt; WRB = Wolf River batholith. Inset B , Huron basin sediments in detail (see fig. 2 and table 1 for sample details), including the 1.85 Ga Sudbury impact site, now
Series: GSA Field Guide
Published: 01 January 2011
DOI: 10.1130/2011.0024(04)
EISBN: 9780813756240
.... Schematic cross section of the asymmetric Baraboo syncline, as viewed looking east. Phyllite of the Baraboo Quartzite is shown diagrammatically as a single layer, when in reality, phyllite layers are thinner, interbedded with quartzite, and occur near the top of the section. S 1 cleavage is also shown...
FIGURES | View All (31)
Series: GSA Field Guide
Published: 01 January 2016
DOI: 10.1130/2016.0043(01)
EISBN: 9780813756431
... a century, and the district has been used as a natural laboratory for generations of geologists in training, there remain fundamental questions about the depositional ages of the deformed rocks and the timing and context of the tectonic event that formed the Baraboo syncline. Earlier and later tectonic...
FIGURES
Journal Article
Journal: AAPG Bulletin
Published: 01 November 1978
AAPG Bulletin (1978) 62 (11): 2329–2334.
... and Dott, 1970; p. 52) that the local strand lay slightly basinward from the quartzite cliffs. This interpretation would put eolian sands against and among the Baraboo cliffs, with shallow-marine sands surrounding the Baraboo syncline. Fig. 1 —Sample location map. Shadowed area is Precambrian...
FIGURES
Journal Article
Published: 01 October 2012
The Canadian Mineralogist (2012) 50 (5): 1165–1172.
... and the Freedom Formation are hidden beneath Quaternary deposits in the hinge area of the Baraboo syncline and are known only from drill cores and, previously, from underground iron mines, which are now abandoned and inaccessible. Representative samples of Seeley slate were examined in drill cores that were...
FIGURES | View All (12)
Journal Article
Published: 01 January 2021
The Journal of Geology (2021) 129 (1): 1–31.
..., white, monocrystalline quartz pebbles and lesser, subangular red chert and gray slate (Henry 1975 ). The Baraboo quartzite, overlying Proterozoic strata and underlying basement, was recrystallized under greenschist facies conditions (Medaris et al. 2017 ) and folded into the Baraboo syncline...
FIGURES | View All (14)
Journal Article
Published: 01 September 2001
Journal of Sedimentary Research (2001) 71 (5): 809–816.
...Figure 4 Location map. Box in inset map surrounds the Baraboo Syncline and encompasses area of sample collection. ...
FIGURES | View All (7)
Series: GSA Field Guide
Published: 01 January 2016
DOI: 10.1130/2016.0043(03)
EISBN: 9780813756431
... south of the city of Baraboo that is almost all pure quartz. Figure 3. Close-up photo in the Baraboo showing lenses of phyllite. Figure 4. Map of the Baraboo syncline showing the directions of paleocurrents base on cross-stratification orientation from Brett (1955...
FIGURES | View All (24)
Journal Article
Published: 01 May 2003
The Journal of Geology (2003) 111 (3): 243–257.
... United States, over much of Proto–North America. The Baraboo Quartzite, which is exposed in a major, east-west trending, doubly-plunging syncline, is underlain by the Baxter Hollow Granite and the Denzer Diorite beneath the south limb of the syncline and by rhyolite lavas and tuffs beneath...
FIGURES | View All (8)
Journal Article
Published: 01 July 2008
Journal of Sedimentary Research (2008) 78 (7): 443–457.
...Figure 1 Simplified geologic map of Wisconsin (WI) in the upper Midwest, USA, showing general distributions of Precambrian and Paleozoic rocks; note location of Baraboo syncline in south-central Wisconsin, with stars denoting locations of two Baraboo paleoweathering profiles first identified...
FIGURES | View All (11)
Image
Simplified Precambrian geologic map of <span class="search-highlight">Baraboo</span> Hills. 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