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The Growth and Erosion of Cinder Cones

The Growth and Erosion of Cinder Cones. An Article Summary Kelsii Dana. Overview. 147 cinder cones Guatemala El Salvador Morphology range includes most of those seen worldwide Statistical analysis of the population of cinder cones and their variation over time. Previous Studies.

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The Growth and Erosion of Cinder Cones

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  1. The Growth and Erosion of Cinder Cones An Article Summary Kelsii Dana

  2. Overview • 147 cinder cones • Guatemala • El Salvador • Morphology range includes most of those seen worldwide • Statistical analysis of the population of cinder cones and their variation over time

  3. Previous Studies • Formation of a cinder cone • Material deposited at crater rim • Material cascades down slope • Cone morphology a function of landslides • Average slope angle of 33 degrees • Angle varies based on clast size and angularity • Erosion decreases angle

  4. Measurements

  5. Data • Morphology does not change • with size • with age

  6. Conclusions • Cinder cones have a wide range of: • Height • Basal diameter • Angle of slope • Flatness • Height/radius ratios are all approximately the same as pristine cinder cones • Morphological variance is not caused by erosion but rather eruption characteristics • Cinder cone growth and erosion produce similar morphologic trends.

  7. Thank You!

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