The lab activity in your book asked you to perform a point count of minerals along a single line within two different rocks. The following exercise asks you to count the minerals that lie along two different lines (marked in red) within the same rock, so that the results may be compared for accuracy. • Individual minerals along the lines are labeled with numbers for ease of viewing.
• Each individual crystal is labeled with a number. Black numbers label white and pastel crystals. 6oO 3
Match each key term to the appropriate description. Be sure to complete each sentence before submitting your answer. Not all terms will be used, and terms may be reused.
1 of the 4 minerals along the point count line of the pegmatite on the left are the white and pinkish/orange pastel minerals. ll wll n
2 of the 4 minerals along the point count line of the pegmatite on the left are the black/dark green minerals. ll
3 of the 10 minerals along the point count line of the pegmatite on the right are the ll white and pinkish/orange pastel minerals. ||
4 of the 10 minerals along the point count line of the pegmatite on the right are the black/dark green minerals.