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For "H" what type of general rock is it? - Sedimentary, igneous, metamorphic? - Specific rock name?

For "H" what type of general rock is it? - Sedimentary, igneous, metamorphic? - Specific rock name?

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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For "H" what type of general rock is it? - Sedimentary, igneous, metamorphic?

- Specific rock name? 

### Geological Cross-Section Diagram #### Description: The diagram presents a geological cross-section from West (A) to East (A'), detailing various geological formations, their boundaries, and key geological processes. #### Key Features: 1. **Strata Units**: The diagram is subdivided into labeled units (A through J) representing different geological layers. 2. **Key**: - **Contact Metamorphism**: Indicated by dotted lines. - **Unconformity**: Shown with a wavy line. - **Marker Bed in Unit I**: Depicted with a dashed line. 3. **Markers and Indicators**: - **H and K (Curved Arrows)**: Indicate locations and movements significant for specific geological processes. - **L (Circle with Labeled Arrow)**: Points out the contact metamorphism occurring within the units. #### Stratigraphic Layers: - **A**: The basal layer characterized by specific geological units and boundaries with adjoining layers. - **B, C, D, F, I, J**: Successive layers interspersed in the diagram with visible contact points, unconformities, and signs of metamorphism. #### Structural Features: - **Unconformities (Wavy Lines)**: Found at multiple strata boundaries inclusive of the layers B, D, and F, highlighting erosional or non-depositional periods. - **Contact Metamorphism (Dotted Lines)**: Evident in varying layers such as Units B and I, signifying thermal alteration due to intrusive igneous activity. - **Faults and Fractures**: Represented by solid straight lines impacting strata continuity (Line cutting through layers F, D, and B). #### Scale: - **Horizontal Scale**: 200 meters. - **Vertical Exaggeration**: Diagram spans sub-surface geological details extending over 800 meters of depth. This diagram visually encapsulates a geological cross-section, crucial for understanding the subsurface stratigraphy, fault systems, and metamorphic processes affecting the depicted rock units. The legend and markers assist in identifying key geological phenomena and stratigraphic boundaries essential for educational purposes.
Transcribed Image Text:### Geological Cross-Section Diagram #### Description: The diagram presents a geological cross-section from West (A) to East (A'), detailing various geological formations, their boundaries, and key geological processes. #### Key Features: 1. **Strata Units**: The diagram is subdivided into labeled units (A through J) representing different geological layers. 2. **Key**: - **Contact Metamorphism**: Indicated by dotted lines. - **Unconformity**: Shown with a wavy line. - **Marker Bed in Unit I**: Depicted with a dashed line. 3. **Markers and Indicators**: - **H and K (Curved Arrows)**: Indicate locations and movements significant for specific geological processes. - **L (Circle with Labeled Arrow)**: Points out the contact metamorphism occurring within the units. #### Stratigraphic Layers: - **A**: The basal layer characterized by specific geological units and boundaries with adjoining layers. - **B, C, D, F, I, J**: Successive layers interspersed in the diagram with visible contact points, unconformities, and signs of metamorphism. #### Structural Features: - **Unconformities (Wavy Lines)**: Found at multiple strata boundaries inclusive of the layers B, D, and F, highlighting erosional or non-depositional periods. - **Contact Metamorphism (Dotted Lines)**: Evident in varying layers such as Units B and I, signifying thermal alteration due to intrusive igneous activity. - **Faults and Fractures**: Represented by solid straight lines impacting strata continuity (Line cutting through layers F, D, and B). #### Scale: - **Horizontal Scale**: 200 meters. - **Vertical Exaggeration**: Diagram spans sub-surface geological details extending over 800 meters of depth. This diagram visually encapsulates a geological cross-section, crucial for understanding the subsurface stratigraphy, fault systems, and metamorphic processes affecting the depicted rock units. The legend and markers assist in identifying key geological phenomena and stratigraphic boundaries essential for educational purposes.
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