E&E 151 S Introductory Geology: Chapter 15.2 (Geologic Structures Pt. 2) Visualization Study

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6 Terms

1
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Geologic Map

A map that uses standardized symbols, colors, and patterns to illustrate the distribution of rock units, rock types, structural features, and ore deposits.

<p><span>A map that uses standardized symbols, colors, and patterns to illustrate the distribution of rock units, rock types, structural features, and ore deposits.</span></p>
2
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Outcrop

A visible exposure of bedrock directly at the Earth's surface.

<p><span>A visible exposure of bedrock directly at the Earth's surface.</span></p>
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Horizontal Bedding Symbol

A map symbol (often depicted as a circle with a horizontal line through it) used to mark flat, horizontal sedimentary beds in an outcrop.

<p><span>A map symbol (often depicted as a circle with a horizontal line through it) used to mark flat, horizontal sedimentary beds in an outcrop.</span></p>
4
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Strike and Dip Symbol

A map symbol consisting of a long line for the strike direction, a shorter perpendicular tick mark pointing in the dip direction, and an adjacent number specifying the exact dip angle.

<p><span>A map symbol consisting of a long line for the strike direction, a shorter perpendicular tick mark pointing in the dip direction, and an adjacent number specifying the exact dip angle.</span></p>
5
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Vertical Dip Symbol

A distinct map symbol indicating that rock beds stand completely vertical, dipping neither to the left nor right of the strike direction.

<p><span>A distinct map symbol indicating that rock beds stand completely vertical, dipping neither to the left nor right of the strike direction.</span></p>
6
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Geologic Cross Section

A diagram illustrating a vertical slice through a portion of the Earth, created by projecting bed dips into the subsurface to visualize geological structures in three dimensions.

<p><span>A diagram illustrating a vertical slice through a portion of the Earth, created by projecting bed dips into the subsurface to visualize geological structures in three dimensions.</span></p>