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Dinosaur Cove
Dinosaur Cove is located in Victoria
Dinosaur Cove
Dinosaur Cove
Location in Victoria
DinosaurCove.png
During the Cretaceous the site (red boxes) was within the Antarctic Circle
Location The Otways, Victoria
Coordinates 38°46′48″S 143°24′18″E / 38.78000°S 143.40500°E / -38.78000; 143.40500Coordinates: 38°46′48″S 143°24′18″E / 38.78000°S 143.40500°E / -38.78000; 143.40500[1]
Type Bay
Basin countries Australia

The Dinosaur Cove in Victoria, Australia is a fossil-bearing site in south-east of the continent where the Otway Ranges meet the sea to the west of Cape Otway, adjacent to Great Otway National Park (map).[2] The inaccessible ocean-front cliffs include fossil-bearing strata that date back to about 106 million years ago and has provided discoveries important in research of natural history of dinosaurs in Australia and the Southern Hemisphere as a whole.

Geological time-line[edit]

During the Early Cretaceous the location was a flood plain within a great rift valley that formed as Australia started to separate northward from Antarctica. Sand, mud and silt deposits covered and sometimes preserved the remains of dead animals and plants. As the rift valley sank, the deposits were overlaid by sediment, which turned to rock under pressure. In the last 30 million years the sediments have been uplifted to form the Otway Ranges and Strzelecki Ranges, bringing them near the surface again.

The richest find of petrified dinosaur bones is confined to narrow thin (up to 0.3 m) layers, most likely ancient stream beds serving as repositories of the bones of smaller animals.[3]

History of discovery[edit]

In 1903, geologist William Hamilton Ferguson was mapping the rocky coastal outcrops a few kilometres west of Inverloch and uncovered the first dinosaur fossil ever discovered in Australia.[4] 75 years later, the exploration and excavation of the Dinosaur Cove site was conducted by teams of volunteers overseen by Thomas H. Rich and Patricia Rich. The dinosaur taxa, Leaellynasaura amicagraphica and Timimus hermani, are named for the children of the Riches', Tim and Leaellyn. Heavy mining equipment and dynamite was used to blast away overlying strata to uncover the fossiliferous rock layers in the cliff face.[4]

In the 1980s and 90s Dinosaur Cove yielded hypsilophodontid-like dinosaurs as Leaellynasaura amicagraphica and Atlascopcosaurus loadsi, and a Coelurosaur, as well as fragments of what may be a caenagnathid (relatives of the Oviraptors). One fossil from this diverse taxa, collectively called the "polar dinosaurs of Australia", has been interpreted as showing possible adaptations to vision in low light conditions and possibly were warm-blooded; this has been suggested as an explanation for how some of these dinosaurs foraged for food during the polar winter months. It is worth noting that although these dinosaurs lived at polar latitudes, the Cretaceous climate was significantly milder than today, so temperatures within the Antarctic and Arctic Circles were vastly different from the climate at these latitudes today, because the lopsided arrangements of the continents made sea currents and monsoon winds blow across the polar areas and not round and round them, and so stopped cold pools from developing around the poles.

An astragalus bone of an ancient relative of Allosaurus was discovered at the site, making it the first discovery in the southern hemisphere. [5]

See also[edit]

References[edit]

  1. ^ "Dinosaur Cove (VIC)". Gazetteer of Australia online. Geoscience Australia, Australian Government. 
  2. ^ "Dinosaur Cove", Victorian Resources Online (Department of Primary Industries), 31 December 2009, retrieved 2011-02-21 
  3. ^ "Dinosaur Cove – mine of polar dinosaurs by Wondermondo". Retrieved 29 March 2010. 
  4. ^ a b Rich, Thomas H. "The Discovery of Dinosaur Cove". Museum Victoria. Retrieved January 2010. 
  5. ^ Piper, Kylie. "T-Rex Relative Turns Up Down Under". Australian Geographic. Retrieved 26 March 2010. 

Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/Dinosaur_Cove — Please support Wikipedia.
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89 news items

ABC Online

ABC Online
Thu, 13 Aug 2015 20:05:48 -0700

"The one in the Strzelecki Ranges was an ankle bone and they were able to construct an entire animal from it, and there was a hip bone down in Dinosaur Cove," Mr Wright said. These artefacts now match up very closely with an Australovenator, and more ...

Business Insider Australia

Business Insider Australia
Tue, 14 Jul 2015 22:06:37 -0700

Greg Denney, who was born and raised on the property, came back to it in his mid-20s to find a corner of it inhabited by excited dinosaur academics. For 10 years, between 1984 and 1994, “Dinosaur Cove” gained worldwide fame following the discovery of ...

Sydney Morning Herald

Sydney Morning Herald
Wed, 03 Jun 2015 18:07:30 -0700

See the contribution made to this undoubtedly creative field by Tom Rich, of Melbourne Museum, whose work with Patricia Vickers-Rich and colleagues at Dinosaur Cove, in the Otways, is acknowledged. And discover the work of other leaders in the field ...

Christian Science Monitor

Softpedia
Tue, 29 Oct 2013 11:37:37 -0700

A new paper in the journal Paleontology details the discovery of 100-million-year-old fossilized bird footprints at Dinosaur Cove in Victoria, Australia. These fossilized tracks are the oldest of their kind to have thus far been discovered in this part ...

The Age

The Age
Sat, 28 Feb 2015 11:15:55 -0800

Dinosaur Dreaming, a community organisation run by Rich and other palentologists, has been running digs with volunteers for about 20 years, spending much of that time at the aptly-named Dinosaur Cove, near Cape Otway. After their earlier excavation at ...

The Guardian

The Guardian
Wed, 10 Jun 2015 23:00:17 -0700

Boys in particular need encouragement to get them reading – teachers share their tips for engagement. Photograph: Alamy. Sarah Marsh · @sloumarsh. Thursday 11 June 2015 02.00 EDT Last modified on Tuesday 16 June 2015 09.47 EDT. Share on ...
 
Phys.Org
Tue, 04 Nov 2014 23:30:00 -0800

Unexpectedly one of the largest diamond mines in Africa, Catoca in Angola, holds 118 million year old dinosaur, crocodile and large mammal tracks. The mammal tracks show a raccoon-sized animal, during a time when most were no larger than a rat.
 
Washington Post (blog)
Thu, 02 Apr 2015 05:06:03 -0700

Stone, Rex The Dinosaur Cove books. Strauss, Linda Leopold A Fairy Called Hilary. Trine, Greg The Melvin Beederman series. The Usborne collection of fairy tales, folk tales, fiction, and nonfiction. White, E.B. Charlotte's Web, Stuart Little and The ...
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