On a geologic map at a scale of 1:24,000 the outcrop of a geologic unit measures 0.4 inches perpendicular to strike. How many feet wide is the outcrop?

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Study for the ASBOG Fundamentals of Geology exam. Access flashcards, multiple-choice questions, and understand key geologic principles. Prepare confidently for your exam!

Multiple Choice

On a geologic map at a scale of 1:24,000 the outcrop of a geologic unit measures 0.4 inches perpendicular to strike. How many feet wide is the outcrop?

Explanation:
Interpreting map scale properly is the key. A scale of 1:24,000 means 1 inch on the map equals 24,000 inches on the ground. That’s 2,000 feet per inch. Multiply by the measured width on the map: 0.4 inches × 2,000 feet per inch = 800 feet. So the outcrop is 800 feet wide.

Interpreting map scale properly is the key. A scale of 1:24,000 means 1 inch on the map equals 24,000 inches on the ground. That’s 2,000 feet per inch. Multiply by the measured width on the map: 0.4 inches × 2,000 feet per inch = 800 feet. So the outcrop is 800 feet wide.

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