Heavy mineral analyses were made on samples of soils and unconsolidated sediments collected from various parts of Massachusetts. It was noted that the outcropping and underlying bedrock has exerted a strong influence upon the character of the heavy mineral suite, particularly in the highland regions of the state. The soils and unconsolidated materials of the Connecticut Valley showed similar heavy mineral assemblages. No significant variations in heavy mineral content with change in horizon were observed in the soil profiles examined. Data recorded for certain samples from the northwestern part of the state show the influence of wind-blown soils material.

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