All Because of an Ancient Lake

All Because of an Ancient Lake (HM1OYS)

Location: McKinnon, WY 82938 Sweetwater County
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Country: United States of America
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N 41° 26.184', W 109° 31.896'

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Trona Trail Historic Mine Byway

The bed of prehistoric Lake Gosiute (Go-shute) lies hundred of feet below you. This ancient lake set the stage of the world's largest trona and oil shale deposits as well as a significant natural gas reserve.
Lake Gosiute Creates Trona
Around 50 million years ago, Lake Gosiute began to form during the early-to-middle Eocene Epoch. Over 4 million years, the lake expanded and contracted, and changed from freshwater to saline. The lake also experienced tectonic changes and absorbed volcanic ash from northwest Wyoming and locations further west. All of these events contributed to conditions that deposited trona on the bottom of the lake in sedimentary beds up to 37 feet thick. Today, these trona beds are all that remain of Lake Gosiute.
Side-bar on the right
Extent of Lake Gosiute
At its furthest reaches, Lake Gosiute many have covered 15,500 square miles and been slightly larger than Connecticut. At is smallest, the lake is estimated to have encompassed 4,000 square miles and been slightly smaller than the Island of Hawaii.
Side-bar on the left
Trona Formation
Trona (Na2CO3 · NaHCO3 · 2H3O) is a water-bearing sodium sesquicarbonate. Its appearance varies from brown to gold to white. "Pure" trona is white. Trona is processed into soda ash and used for a variety of things from glassmaking to water treatment to paper manufacturing. The mineable beds of Lake Gosiute hold more than 100 billion tons of trona. This is enough trona to supply customers for at least 2,000 years.
Details
HM NumberHM1OYS
Tags
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Placed ByWyoming State Parks & Cultural Resources
Marker ConditionNo reports yet
Date Added Friday, October 30th, 2015 at 1:04pm PDT -07:00
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Locationbig map
UTM (WGS84 Datum)12T E 622678 N 4588243
Decimal Degrees41.43640000, -109.53160000
Degrees and Decimal MinutesN 41° 26.184', W 109° 31.896'
Degrees, Minutes and Seconds41° 26' 11.04" N, 109° 31' 53.76" W
Driving DirectionsGoogle Maps
Area Code(s)307
Which side of the road?Marker is on the right when traveling North
Closest Postal AddressAt or near WY-530, McKinnon WY 82938, US
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

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