Acadia National Park Granite. Large joints or fractures in the rock form square blocks. The varied landscape of acadia national park is the result of continuing geologic processes. Intrusive or plutonic igneous rock forms when magma remains inside the earth s crust where it cools and solidifies in chambers within pre existing rock.
2006 national park services. The joints enlarge and expand when water fills them and freezes.
Intrusive igneous rock.
2006 national park services. Large joints or fractures in the rock form square blocks. The park attracts 3 5 million visitors annually making it one of the top ten most visited national park in the united states. Acadia national park protects the natural beauty of the highest rocky headlands along the atlantic coastline of the united states an abundance of habitats and a rich cultural heritage.