Sioux Quartzite Boulder

Sioux Quartzite Boulder (HMWTD)

Location: Topeka, KS 66615 Shawnee County
Country: United States of America

N 39° 3.376', W 95° 46.501'

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Inscription
This large boulder was carried to Kansas by a glacier several thousand feet thick about 700,000 years ago during the Pleistocene (Ice) Age. The boulder was plucked from a bedrock source, the nearest located in southeastern South Dakota or northwestern Kansas by glaciers.

This particular boulder is made of a rock known as Sioux quartzite. Quartzite is sandstone that has been subjected to heat and pressure, and has been cemented with silica. Sioux quartzite is almost 100% quartz, so it resists erosion. It weighs 10.4 tons.
Details
HM NumberHMWTD
Tags
Placed ByKansas Historical Society
Marker ConditionNo reports yet
Date Added Wednesday, October 22nd, 2014 at 8:29am PDT -07:00
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Locationbig map
UTM (WGS84 Datum)15S E 259877 N 4326686
Decimal Degrees39.05626667, -95.77501667
Degrees and Decimal MinutesN 39° 3.376', W 95° 46.501'
Degrees, Minutes and Seconds39° 3' 22.56" N, 95° 46' 30.06" W
Driving DirectionsGoogle Maps
Area Code(s)785
Closest Postal AddressAt or near 6425 SW 6th Ave, Topeka KS 66615, US
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

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