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You are browsing the archive for glaciers.

January 7, 2015

Geology Word of the Week: I is for Ice

def. Ice: Water (H2O) in a solid state. When naturally occurring, ice is considered a mineral. There are many forms of ice: lake ice, river ice, sea ice, snow, glaciers, ice caps, ice sheets, and frozen ground (such as permafrost).   If you ask a geologist what he or she considers to be Earth’s most important mineral, you will probably hear many different answers, depending on the person. Some might …

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December 15, 2014

Monday Geology Picture: A Glacial Erratic in the New Hampshire Woods

I spent the last two weeks of November visiting my family in New Hampshire. While I was in the US, I went on some long jogs and walks and took pictures of some glacial erratics, which can be found all around the Mervine Family Cabin in southern New Hampshire. This week’s “Monday Geology Picture” features a glacial erratic in the woods just down the road from the cabin. This large, …

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February 24, 2014

Plane Views: Denali

Three out of the four times that I flew between Anchorage and Nome, Alaska, the weather was overcast and clouds covered much of the landscape below. However, when I flew from Nome to Anchorage in August 2013 I was fortunate enough to fly on a day when skies were clear. I was thrilled to obtain a spectacular view of Denali, also known as Mt. McKinley, the highest peak in North …

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September 2, 2013

Monday Geology Picture: Sunbathing by My Favorite Glacial Erratic

Happy Labor Day to all of my American readers! I hope that you all enjoy the holiday. Weather permitting, I plan on spending some time sunbathing by my favorite glacial erratic. I’m currently on vacation in New Hampshire and Cape Cod for about a week. I just finished up six weeks of field work in Alaska. My husband and I also visited New Hampshire for a couple of days on …

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September 24, 2012

Monday Geology Picture(s): My Favorite Glacial Erratic

New England is full of glacial erratics: rocks which were transported and dropped by glaciers and which have a different lithology from the rocks upon which they have been deposited. Often, erratic rocks have an angular shape because they were broken off of bedrock by glaciers and have not yet had time to be weathered and rounded by water, wind, and other erosional forces. Glacial erratics can range in size …

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