Title:
Alternative strata of fossil forest and volcanic overflow revealed in the cliff near the southeastern end of Specimen Ridge,
Yellowstone Nat. Park, Wyo. Geologists have found the remains of twelve forests which grew one above on this ridge and were
successively buried by eruptions of the volcano once existing on the other side of the ridge. The crater of this volcano is
estimated to have been about 15 miles in diameter and it was only one of a number of craters once active in the Park area
which threw out enormous quantities of volcanic matter, profoundly altering the surface of the whole region and covering it
in some places, such as the Specimen Ridge locality, with thousands of feet of lava and ash. Specimen Ridge lies on the northern
side of the crater mentioned while the Grand Canyon the Yellowstone is worn down through a part of its western escarpment.
Numerous hot springs seldom seen by the throngs of visitors who annually visit the Park, are still scattered over the surface
of the old crater, just east of the Grand Canyon, testifying to the fact that subterranean fires still smolder there. View
looking N. Elev. about 7,500 ft. Lat. 45N.; Long. 110W.)
Creator:
Unknown Hansen
Subject:
Facilities
Parks
National parks and reserves
Nature
Land
Forests
Petrified forests
Petrified wood
Description:
Alternative strata of fossil forest and volcanic overflow revealed in the cliff near the southeastern end of Specimen Ridge,
Yellowstone Nat. Park, Wyo. Geologists have found the remains of twelve forests which grew one above on this ridge and were
successively buried by eruptions of the volcano once existing on the other side of the ridge. The crater of this volcano is
estimated to have been about 15 miles in diameter and it was only one of a number of craters once active in the Park area
which threw out enormous quantities of volcanic matter, profoundly altering the surface of the whole region and covering it
in some places, such as the Specimen Ridge locality, with thousands of feet of lava and ash. Specimen Ridge lies on the northern
side of the crater mentioned while the Grand Canyon the Yellowstone is worn down through a part of its western escarpment.
Numerous hot springs seldom seen by the throngs of visitors who annually visit the Park, are still scattered over the surface
of the old crater, just east of the Grand Canyon, testifying to the fact that subterranean fires still smolder there. View
looking N. Elev. about 7,500 ft. Lat. 45N.; Long. 110W.)
Publisher:
Keystone View Company
Contributor:
Gifford M. Mast
Date:
1927
Type:
Photography
Format:
Keystone photo print 7.18 in. x 4.18 in.
Identifier:
1996.0009.KU86451
Language:
eng
Coverage:
North and Central America
United States
Wyoming
Yellowstone National Park
Rights:
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at Riverside. Please contact UCR/California Museum of Photography for information about the copyright status of this item.
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obtaining permissions, and for any use rests exclusively with the user.
Alternative strata of fossil forest and volcanic overflow revealed in the cliff near the southeastern end of Specimen Ridge,
Yellowstone Nat. Park, Wyo. Geologists have found the remains of twelve forests which grew one above on this ridge and were
successively buried by eruptions of the volcano once existing on the other side of the ridge. The crater of this volcano is
estimated to have been about 15 miles in diameter and it was only one of a number of craters once active in the Park area
which threw out enormous quantities of volcanic matter, profoundly altering the surface of the whole region and covering it
in some places, such as the Specimen Ridge locality, with thousands of feet of lava and ash. Specimen Ridge lies on the northern
side of the crater mentioned while the Grand Canyon the Yellowstone is worn down through a part of its western escarpment.
Numerous hot springs seldom seen by the throngs of visitors who annually visit the Park, are still scattered over the surface
of the old crater, just east of the Grand Canyon, testifying to the fact that subterranean fires still smolder there. View
looking N. Elev. about 7,500 ft. Lat. 45N.; Long. 110W.)