Welcome to the Trona Pinnacles

Welcome to the Trona Pinnacles (HMXWJ)

Location: Randsburg, CA 93562 San Bernardino County
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Country: United States of America
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N 35° 37.007', W 117° 22.367'

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... a National Natural Landmark

Rising from the bottom of what was once an ancient lakebed, the Trona Pinnacles represent one of the most unique geologic landscapes in the California Desert. Over 500 of these tufa or calcium carbonate spires are spread out over a 14 square mile area across the Searles Lake basin. These features range in size from small coral-like boulders to several that top out at over 140 feet tall.

The Pinnacles were formed between 10,000 and 100,000 years ago when Searles Lake formed a link in a chain of interconnected lakes flowing from the Owens Valley to Death Valley. At one point during the Pleistocene, the spot where you are standing now was under 640 feet of water.

The Trona Pinnacles were designated as a National Natural Landmark by the U.S. Department of the Interior in 1968 to preserve one of North America's most outstanding examples of tufa tower formation.
Details
HM NumberHMXWJ
Tags
,
Year Placed2000
Placed ByU.S. Department of the Interior
Marker ConditionNo reports yet
Date Added Saturday, October 11th, 2014 at 1:12pm PDT -07:00
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Locationbig map
UTM (WGS84 Datum)11S E 466240 N 3941509
Decimal Degrees35.61678333, -117.37278333
Degrees and Decimal MinutesN 35° 37.007', W 117° 22.367'
Degrees, Minutes and Seconds35° 37' 0.42" N, 117° 22' 22.02" W
Driving DirectionsGoogle Maps
Area Code(s)760
Closest Postal AddressAt or near 78625-78639 Unnamed Road, Randsburg CA 93562, US
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