The Bonneterre Formation is an Upper Cambrian geologic formation which outcrops in the St. Francois Mountains of the Missouri Ozarks. The Bonneterre is...
9 KB (789 words) - 03:35, 17 July 2024
dolomite of the lower Bonneterre Formation, and can extend into the underlying Lamotte Sandstone and rarely into the overlying Davis Formation. In the Viburnum...
17 KB (1,546 words) - 10:35, 14 September 2024
Embayment Megagroup (redirect from Clayton Formation)
quartz pebbles, as well as a matrix of quartz sand. The Wilcox Formation is a sand formation that is part of the Embayment Megagroup. It runs from southern...
5 KB (509 words) - 18:46, 25 April 2024
Pope Mega Group (redirect from Tar Springs Formation)
Kinkaid formation to the west. Mt. Pleasant Sandstone, Bristow Sandstone, and Siberia Limestone. The Siberia is a thin tongue of the Menard formation. This...
8 KB (653 words) - 13:04, 8 July 2024
Hunton Megagroup (redirect from Moccasin Springs Formation)
The Hunton Megagroup also Hunton Super Group, Hunton Group, Hunton Formation and Hunton Limestone is predominantly composed of carbonate rock, deposited...
14 KB (1,196 words) - 08:20, 14 September 2024
Knox Supergroup (redirect from Chepultepec Formation)
The Knox Supergroup, also known as the Knox Group and the Knox Formation, is a widespread geologic group in the Southeastern United States. The age is...
15 KB (1,191 words) - 15:18, 30 August 2024
The Eau Claire Formation is a geologic formation in the north central United States. It preserves trilobite fossils from the Cambrian Period. Paleontology...
3 KB (94 words) - 11:35, 22 August 2024
Carbondale Group (redirect from Petersburg Formation)
use. The Petersburg formation also contains sandstone members that are used as aquifers. The Linton Formation is a geologic formation in Indiana. It is...
4 KB (300 words) - 14:02, 30 April 2024
Munising Group (redirect from Kerbal Formation)
western Ohio, and western Kentucky. It is also called the Bonneterre Dolomite or Bonneterre Formation in Missouri. The Eau Claire is made up of dolomite, limestone...
10 KB (853 words) - 14:19, 3 September 2024
St. Peter Sandstone (redirect from St. Peter Formation)
The St. Peter Sandstone is an Ordovician geological formation. It belongs to the Chazyan stage of the Champlainian series in North American regional stratigraphy...
6 KB (547 words) - 19:53, 20 August 2024
Muscatatuck Group (redirect from Beechwood Formation)
underlies the Antrim Shale. The North Vernon Limestone is a geologic formation in Indiana. Also called the Sellersburg Limestone, this term however is...
4 KB (221 words) - 14:31, 31 July 2024
The Paoli Formation, Paoli Limestone, or Paoli Chert is a geologic formation in Indiana, Illinois, Kentucky and Missouri. This formation contains members...
3 KB (176 words) - 23:11, 28 February 2024
Duluth Complex (section Formation)
Beaver Bay Complex, and the associated North Shore Volcanic Group are rock formations which comprise much of the basement bedrock of the northeastern part of...
24 KB (2,457 words) - 23:30, 10 January 2024
The Davis Formation is a geologic formation in Indiana and Missouri. It preserves fossils dating back to the Cambrian period. Paleontology portal List...
3 KB (124 words) - 11:19, 22 August 2024
The Franconia Formation is a geologic formation in the upper mid-western United States, with outcroppings found in Illinois, Indiana, Iowa, Michigan,...
3 KB (199 words) - 11:27, 22 August 2024
The Patoka Formation is a geologic formation in Illinois. It preserves fossils dating back to the Carboniferous period. List of fossiliferous stratigraphic...
1 KB (44 words) - 06:35, 3 July 2022
The Warsaw Formation is a geologic formation in Illinois, Iowa and Missouri. It preserves fossils dating back to the Mississippian subperiod. Paleontology...
2 KB (91 words) - 19:36, 20 July 2024
Harmony Group is located in the State of Indiana. It is made up of three formations, the Grassy Knob Chert, the Backbone Limestone and Clear Creek Chert....
3 KB (282 words) - 18:01, 7 March 2024
The Rove Formation is a sedimentary rock formation of Middle Precambrian age underlying the upper northeastern part of Cook County, Minnesota, United...
40 KB (4,866 words) - 04:46, 16 October 2023
The Bond Formation is a geologic formation in Illinois, Kentucky and Indiana. It preserves fossils dating back to the Carboniferous period. List of fossiliferous...
2 KB (47 words) - 21:32, 2 July 2022
The Golconda Formation is a geologic formation in Kentucky. It preserves fossils dating back to the Carboniferous period. In Indiana, the Golconda, it...
2 KB (87 words) - 07:39, 11 June 2024
its northernmost reaches where it grades in to the Joliet and Racine Formations it is about 150' thick. The St. Clair is composed of course calcite grains...
10 KB (478 words) - 02:04, 11 March 2024
The Dubuque Formation is a geologic formation in Illinois, Iowa, Wisconsin and Minnesota. It preserves fossils dating back to the Ordovician period. List...
1 KB (53 words) - 19:43, 20 July 2024
The Coralville Formation is a geologic formation in Iowa. It preserves fossils dating back to the Devonian period. Earth sciences portal Iowa portal Paleontology...
1 KB (57 words) - 10:30, 11 February 2024
The Mosalem Formation is a geologic formation in Illinois. It preserves fossils dating back to the Silurian period. Earth sciences portal Illinois portal...
1 KB (51 words) - 09:25, 13 February 2024
Salem Limestone (redirect from Salem Formation)
The Salem Formation is a geologic formation in Illinois, Indiana, Kentucky, and Missouri. It preserves fossils dating back to the Mississippian subperiod...
3 KB (134 words) - 19:51, 20 July 2024
Sioux Quartzite (category Quartzite formations)
is supported by evidence of marine sediments (shales and banded iron formations) atop its correlative unit in Baraboo, Wisconsin. In addition, the unit...
12 KB (1,463 words) - 23:49, 16 July 2024
The Stewartville Formation is a geologic formation in Iowa. It preserves fossils dating back to the Ordovician period. Earth sciences portal Iowa portal...
1 KB (57 words) - 07:33, 14 February 2024
The Glenwood Formation is a geologic formation in Illinois. It preserves fossils dating back to the Ordovician period. Earth sciences portal Illinois...
2 KB (59 words) - 14:10, 7 June 2024
Jordan Sandstone (category Midwestern United States geologic formation stubs)
The Jordan Sandstone is a geologic formation in Wisconsin. It preserves fossils dating back to the Cambrian period. Earth sciences portal Paleontology...
1 KB (52 words) - 12:34, 12 February 2024