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Pockrandt Quarry (Edward Kraemer and Sons; Inc.), Glover Bluff, Marquette Co., Wisconsin, USAi
Regional Level Types
Pockrandt Quarry (Edward Kraemer and Sons; Inc.)Quarry
Glover Bluff- not defined -
Marquette Co.County
WisconsinState
USACountry

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Latitude & Longitude (WGS84): 43° 58' 10'' North , 89° 32' 26'' West
Latitude & Longitude (decimal): 43.96944,-89.54056
GeoHash:G#: dpb64kqs9
USGS MRDS Record:10278211
Locality type:Quarry
Köppen climate type:Dfb : Warm-summer humid continental climate
Nearest Settlements:
PlacePopulationDistance
Coloma438 (2017)7.5km
Westfield1,226 (2017)10.3km
Dakota1,207 (2017)14.9km
Grand Marsh127 (2017)16.1km
Hancock400 (2017)18.3km


Currently active (2015) quarry in Ordovician Prairie du Chien group dolostone. Quarry is apparently on the central uplift of a poorly preserved impact crater (the Glover Bluff structure), and is a source of specimens of shattercones and impactite breccia. Recent work (Renard, 2011) implies the impact was possible of Recent age.

Regions containing this locality

North America PlateTectonic Plate

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


4 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Calcite
Formula: CaCO3
Reference: Ekern, G. I. & F. T. Thwaites (1930) The Glover Bluff Structure: a disturbed area in the Paleozoics of Wisconsin: Transactions of the Wisconsin Academy of Science, Arts and Letters: 25: 89-97..
Dolomite
Formula: CaMg(CO3)2
Reference: Ekern, G. I. & F. T. Thwaites (1930) The Glover Bluff Structure: a disturbed area in the Paleozoics of Wisconsin: Transactions of the Wisconsin Academy of Science, Arts and Letters: 25: 89-97..
Glauconite
Formula: (K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
Reference: Ekern, G. I. & F. T. Thwaites (1930) The Glover Bluff Structure: a disturbed area in the Paleozoics of Wisconsin: Transactions of the Wisconsin Academy of Science, Arts and Letters: 25: 89-97..
Quartz
Formula: SiO2
Reference: Ekern, G. I. & F. T. Thwaites (1930) The Glover Bluff Structure: a disturbed area in the Paleozoics of Wisconsin: Transactions of the Wisconsin Academy of Science, Arts and Letters: 25: 89-97..

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Unclassified Minerals, Rocks, etc.
Glauconite-(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2

List of minerals arranged by Dana 8th Edition classification

Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
AB(XO3)2
Dolomite14.2.1.1CaMg(CO3)2
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Glauconite71.2.2a.5(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2

List of minerals for each chemical element

HHydrogen
H Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
CCarbon
C DolomiteCaMg(CO3)2
C CalciteCaCO3
OOxygen
O DolomiteCaMg(CO3)2
O QuartzSiO2
O CalciteCaCO3
O Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
NaSodium
Na Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
MgMagnesium
Mg DolomiteCaMg(CO3)2
Mg Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
AlAluminium
Al Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
SiSilicon
Si QuartzSiO2
Si Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
KPotassium
K Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2
CaCalcium
Ca DolomiteCaMg(CO3)2
Ca CalciteCaCO3
FeIron
Fe Glauconite(K,Na)(Mg,Fe2+,Fe3+)(Fe3+,Al)(Si,Al)4O10(OH)2

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Paleozoic
251.902 - 541 Ma



ID: 3187973
Paleozoic sedimentary rocks

Age: Phanerozoic (251.902 - 541 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Cambrian
485.4 - 541 Ma



ID: 2985493
Cambrian, undivided

Age: Cambrian (485.4 - 541 Ma)

Stratigraphic Name: Trempealeau Formation; Tunnel City Formation; Elk Mound Formation

Description: Sandstone with some dolomite and shale, undivided; includes Trempealeau, Tunnel City, and Elk Mound Formations

Comments: Original map source: Cannon, W.F., Kress, T.H., Sutphin, D.M., Morey, G.B., Meints, Joyce, and Barber-Delach, Robert, 1997, Digital Geologic Map and mineral deposits of the Lake Superior Region, Minnesota, Wisconsin, Michigan: USGS Open-File Report 97-455 (version 3, Nov. 19

Lithology: Major:{sandstone}, Minor:{dolostone,shale}

Reference: Horton, J.D., C.A. San Juan, and D.B. Stoeser. The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States. doi: 10.3133/ds1052. U.S. Geological Survey Data Series 1052. [133]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Ekern, G. I. & F. T. Thwaites (1930) The Glover Bluff Structure: a disturbed area in the Paleozoics of Wisconsin: Transactions of the Wisconsin Academy of Science, Arts and Letters: 25: 89-97.
Read, W. F. (1983) Shatter cones at Glover Bluff, Wisconsin: Meteoritics: 18 (3): 241-243.

External Links



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