Surficial Geology Map of Nantucket and Marthas Vineyard, MA
Surficial Geology Map of Nantucket and Marthas Vineyard, MAMap showing the surficial geology from this study and Baldwin and others (2016) with equivalent onshore geology (adapted from Stone and DiGiacomo-Cohen, 2009). The areal extents over which offshore subsurface geologic units crop out at the sea floor were interpreted from seismic-reflection data.