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Home > Explore! > Surficial Geology > Field Localities > Sandy Point Beach > Figure 7 > Figure 7b



Figure 7a. Close-up of large boulder with fractures and crescentic marks on its surface shown in Figure 6(a). These features are called chattermarks and are formed as the boulder slid over bedrock, cracking and chipping the boulder surface. Return to Figure 7.

Last updated on May 2, 2008