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What is the age and what kind of rocks are exposed in the center of Serpent Mound Impact Structure?

What is the age and what kind of rocks are exposed in the center of Serpent Mound Impact Structure?

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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What is the age and what kind of rocks are exposed in the center of Serpent Mound Impact Structure?

**Bedrock Geologic Map of Ohio** **Map Overview:** This map represents the bedrock geology of Ohio, depicting various geological periods using distinct colors. It is produced by the State of Ohio's Department of Natural Resources and the Division of Geological Survey. **Key Map Elements:** - **Quaternary (Qc)**: Light gray areas representing recent geologic periods (cross section only). - **Permian-Pennsylvanian**: Orange areas, signifying these geological periods. - **Pennsylvanian**: Blue areas, indicating this era's rock formations. - **Mississippian**: Teal areas, denoting the presence of rock from this period. - **Devonian**: Light blue areas, illustrating Devonian era geology. - **Silurian**: Lavender areas, marking Silurian period rocks. - **Ordovician**: Pink areas, showing Ordovician geological features. - **Ordovician-Cambrian (Oc)**: Greenish-yellow areas, cross section only. - **Neoproterozoic (n)**: Brown areas, denoting this period (cross section only). - **Mesoproterozoic (m)**: Tan areas, for cross-section purposes. **Geological Features:** - **Serpent Mound Impact Structure**: A highlighted circular area in southwestern Ohio, indicating an ancient meteor impact site. An inset map provides a detailed view with a scale of 1 mile. **Faults:** - Fault lines are marked by solid black lines, indicating structural features where the rock layers have been displaced. **Cross-Section Diagram:** Below the map, a cross-sectional diagram spans from the Michigan Basin to the Appalachian Basin, illustrating the depth and layering of geological strata: - **Granite-Rhyolite of Basement**: Base layer. - **East Continent Rift Basin**: Middle layer. - **Grenville Province**: Lower layer. **Scale and Orientation:** - The map scale is 0 to 40 miles (or 0 to 50 kilometers). - A north arrow indicates map orientation. **Recommended Citation:** - The map information can be cited as: "Ohio Division of Geological Survey, 2006. Bedrock geologic map of Ohio: Ohio Department of Natural Resources, Division of Geological Survey Map BG-1, generalized page-size version with text, 2 p., scale 1:2,000,000."
Transcribed Image Text:**Bedrock Geologic Map of Ohio** **Map Overview:** This map represents the bedrock geology of Ohio, depicting various geological periods using distinct colors. It is produced by the State of Ohio's Department of Natural Resources and the Division of Geological Survey. **Key Map Elements:** - **Quaternary (Qc)**: Light gray areas representing recent geologic periods (cross section only). - **Permian-Pennsylvanian**: Orange areas, signifying these geological periods. - **Pennsylvanian**: Blue areas, indicating this era's rock formations. - **Mississippian**: Teal areas, denoting the presence of rock from this period. - **Devonian**: Light blue areas, illustrating Devonian era geology. - **Silurian**: Lavender areas, marking Silurian period rocks. - **Ordovician**: Pink areas, showing Ordovician geological features. - **Ordovician-Cambrian (Oc)**: Greenish-yellow areas, cross section only. - **Neoproterozoic (n)**: Brown areas, denoting this period (cross section only). - **Mesoproterozoic (m)**: Tan areas, for cross-section purposes. **Geological Features:** - **Serpent Mound Impact Structure**: A highlighted circular area in southwestern Ohio, indicating an ancient meteor impact site. An inset map provides a detailed view with a scale of 1 mile. **Faults:** - Fault lines are marked by solid black lines, indicating structural features where the rock layers have been displaced. **Cross-Section Diagram:** Below the map, a cross-sectional diagram spans from the Michigan Basin to the Appalachian Basin, illustrating the depth and layering of geological strata: - **Granite-Rhyolite of Basement**: Base layer. - **East Continent Rift Basin**: Middle layer. - **Grenville Province**: Lower layer. **Scale and Orientation:** - The map scale is 0 to 40 miles (or 0 to 50 kilometers). - A north arrow indicates map orientation. **Recommended Citation:** - The map information can be cited as: "Ohio Division of Geological Survey, 2006. Bedrock geologic map of Ohio: Ohio Department of Natural Resources, Division of Geological Survey Map BG-1, generalized page-size version with text, 2 p., scale 1:2,000,000."
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