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
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
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 (1,220 words) - 05:59, 31 March 2024
Munising Group (redirect from Munising Formation)
The Munising Group or Formation is a 1,700 feet (520 m) thick, white to light grey Cambrian sedimentary unit that crops out in Michigan and (to a lesser...
9 KB (846 words) - 22:56, 9 April 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 (1,194 words) - 11:58, 26 June 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
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) - 18:26, 3 March 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
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
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) - 15:45, 28 December 2023
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) - 10:16, 3 July 2022
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) - 13:42, 20 June 2024
The Mifflin Formation is a fossil bearing geologic formation in Illinois dating to the Ordovician period. Earth sciences portal Illinois portal Paleontology...
1 KB (49 words) - 09:13, 13 February 2024
The Neda Formation is a geologic formation in Illinois. It preserves fossils dating back to the Ordovician period. Earth sciences portal Illinois portal...
1 KB (51 words) - 09:41, 13 February 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) - 21:28, 14 February 2021
The Mattoon Formation is a geologic formation in Illinois. It preserves fossils dating back to the Carboniferous period. List of fossiliferous stratigraphic...
1 KB (38 words) - 04:52, 28 March 2022
The Claiborne Formation or Claiborne Group is a geologic formation in Arkansas, Illinois, Kentucky, and Texas. It preserves fossils dating back to the...
2 KB (95 words) - 23:33, 26 November 2022
The Paint Creek Formation is a geologic formation in Illinois. It preserves fossils dating back to the Carboniferous period. Earth sciences portal Illinois...
1 KB (52 words) - 14:11, 13 February 2024
The Quimbys Mill Formation is a geologic formation in Illinois. It preserves fossils dating back to the Ordovician period. Earth sciences portal Illinois...
1 KB (52 words) - 14:35, 13 February 2024
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
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 St. Laurent Formation is a geologic formation in Illinois. It preserves fossils dating back to the Devonian period. Earth sciences portal Illinois...
1 KB (52 words) - 07:01, 12 February 2024
The Wise Lake Formation is a geologic formation in Illinois. It preserves fossils dating back to the Ordovician period. Earth sciences portal Illinois...
1 KB (52 words) - 08:52, 14 February 2024
The Pecatonica Formation is a geologic formation in Illinois. It preserves fossils dating back to the Ordovician period. List of fossiliferous stratigraphic...
1 KB (44 words) - 06:37, 3 July 2022
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 Dunleith Formation is a geologic formation in Illinois. It preserves fossils dating back to the Ordovician period. Earth sciences portal Illinois...
1 KB (51 words) - 12:45, 11 February 2024
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 Shelburn Formation is a geologic formation in Indiana. It preserves fossils dating back to the Carboniferous period. Earth sciences portal Indiana...
2 KB (51 words) - 18:00, 13 February 2024
Commons has media related to Fort Payne Formation. The Fort Payne Formation, or Fort Payne Chert, is a geologic formation found in the southeastern region of...
3 KB (142 words) - 04:39, 26 April 2024