Massachusetts Geologic Map
The geology of Massachusetts is the result of a process that began over
a billion years ago. Massachusetts currently lies at an edge of a
continent, and in the geological past has been the location of many
continental collisions and collisions with other microcontinents and
volcanic arcs, with their resulting mountain-building events. As a
result, the state rock structure is squeezed together. Recently,
multiple Ice Ages have shaped the modern geology of the state and have
created notable landmarks such as Cape Cod.
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