Darwin Glass, Near Mt. Darwin, Tasmania Australia Weight: 4.03 grams

$17.75 Buy It Now or Best Offer
free,30-Day Returns

Seller Store dreamgempick
(1367) 100.0%,

Location: Fort Myers, Florida
Ships to: US,
Item: 285171517869

Restocking Fee:No
Return shipping will be paid by:Seller
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money Back
Country/Region of Manufacture:Australia

DARWIN GLASS, AUSTRALIAImpact Glass Fragment from Darwin Crater near Mt. Darwin, Tasmania.Weight: 4.03 gramsDimensions: 23.57mm x 14.31mm x 14.39mm Impactite Name: DARWIN GLASSNatural glass melt created by meteorite impact.Location: in Wild Rivers National Park, World Heritage Area, 26 km south of Queenstown, TasmaniaCountry: AUSTRALIADate: Find: 1915The huge Darwin Crater, approx. 1 km across and 200 m deep, was created about 73,000 years ago when a meteorite struck Tasmania near Mt. Darwin. The heat generated by the explosive force of the impact melted and vaporized the rocks. The molten material was hurled into the sky, falling back as glass and creating one of the world’s most spectacular silica glass fields associated with a meteorite crater. The geologist Lostus Hill found in 1915 small pieces of impactite glass about 10 km west of the crater but could not pinpoint the source of it. In 1972 R.J. Ford, a geologist at the University of Tasmania, found the crater in dense bush whilst working on an access road for the then proposed Gordon-below-Franklin Dam for the Hydro-Electric-Commission. The crater floor is covered by thick tea-tree swamp. In 1974 a 4WD track was bulldozed into the crater to allow a drill hole being put down in the center. This showed that in the past 73,000 years the crater has completely been filled with sediment, which provides a valuable pollen record revealing the changing vegetation of the area. Froo www.froo.com | Froo Cross Sell, Free Cross Sell, Cross promote, eBay Marketing, eBay listing Apps, eBay Apps, eBay Application

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