Miami University Igneous Rock Sheet
Question Description
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Diorite
Gabbro
Composition:
Textures present:
Minerals present and percentages:
Composition:
Textures present:
Minerals present and percentages:
Composition:
Textures present:
Minerals present and percentages:
Rhyolite
Andesite
Basalt
Composition:
Textures present:
Minerals present and percentages:
Composition:
Textures present:
Minerals present and percentages:
Composition:
Textures present:
Minerals present and percentages:
Rock Sheet 1 Directions: Make a detailed drawing for each rock listed showing the three-dimensional nature of a representative sample, the
nature of the form or texture of the minerals of the samples and other features. You must provide a scale bar for each drawing. You should
have each mineral (e.g., quartz, amphibole) or material (e.g., glass, matrix) labelled with a minimum of five (5) features labelled for each
sample. Provide additional information requested for each rockl in the box below each drawing.
Granite
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