Which is the oldest unit? __________ Which unit is the youngest? __________ What type of unconformity is present? __________ What units is the unconformity between? _______________
Which is the oldest unit? __________ Which unit is the youngest? __________ What type of unconformity is present? __________ What units is the unconformity between? _______________
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
Related questions
Question
Use the following block diagram to answer the following questions.
- Which is the oldest unit? __________
- Which unit is the youngest? __________
- What type of unconformity is present? __________
- What units is the unconformity between? _______________

Transcribed Image Text:The image depicts a cross-sectional view of geological layers beneath the Earth's surface. The layers are labeled A through E, each representing different types of rock or sediment. Additionally, a feature labeled D is shown cutting through some of these layers.
- **Layer A**: This is the topmost layer, characterized by light-colored sediment which suggests it is a layer of soil or loose sediment.
- **Layer B**: Positioned below layer A, this layer consists of a medium-grained sediment, which may represent sandstone or a similar sedimentary rock.
- **Layer C**: This layer has a darker coloration and a finer grain, potentially indicating a shale or similar rock type.
- **Layer D**: This feature appears as an intrusion, cutting through layers A, B, and C, suggesting it is likely an igneous intrusion such as a dike or sill. The texture indicates crystalline structures often found in cooled magma.
- **Layer E**: The bottommost layer is a reddish, relatively homogeneous layer, suggesting a different type of sedimentary rock, such as sandstone or limestone altered by heat.
The diagram provides a simplified representation often used in educational contexts to explain geological processes like sedimentation and intrusion.
Expert Solution
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Step 1
1. E UNIT
2. A UNIT
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Solved in 2 steps
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