4,993
edits
(→Glacial erratic rocks: bulidiong out sectfion) |
(→Glacial erratic rocks: adding expand and more images) |
||
Line 119: | Line 119: | ||
** one of the largest in the world | ** one of the largest in the world | ||
** it is of granite, while there is no other granite nearby | ** it is of granite, while there is no other granite nearby | ||
*** thereby, we know it was moved to that location by glaciers | *** thereby, we can know it was moved to that location by glaciers | ||
[ | click EXPAND for more images of glacial erratic rocks | ||
see https://www.nhstateparks.org/visit/state-parks/madison-boulder-natural-area | <div class="mw-collapsible mw-collapsed"> | ||
[[File:Schokland, zwerfsteen bij ingang museum-restaurant foto6 2013-04-28 13.02.jpg|thumb|Glacial erratics from Norway on Schokland in the Netherlands.]] | |||
[[File:Erratics-Cascades-PB110028.JPG|thumb|Multiple erratics on the terminal moraine of the Okanogan Lobe. Cascade mountains in the background.]] | |||
[[File:Doane Rock.jpeg|thumb|Doane Rock, at Cape Cod National Seashore]] | |||
[[File:Yeager-Rock-Erractic-PB110039.JPG|thumb|Yeager Rock, a 400-metric-ton (440-short-ton) boulder on the Waterville Plateau, Washington. Although transported by a glacier, this boulder is not a true erratic because it is of the same lithology of the underlying, till-blanketed, bedrock. Note the glacial till below the rock.]] | |||
[[File:Angular glacial erratic on Lambert Dome-750px.jpg|thumb|Angular glacial erratic on Lembert Dome.]] | |||
[[File:A079, Acadia National Park, Maine, USA, balanced rock, 2002.jpg|thumb|Bubble Rock, Acadia National Park, Maine]] | |||
</div> | |||
see | |||
* https://www.nhstateparks.org/visit/state-parks/madison-boulder-natural-area | |||
* https://en.wikipedia.org/wiki/Glacial_erratic | |||
=== Sinkholes === | === Sinkholes === |