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Megatherium (/ m ɛ ɡ ə ˈ θ ɪər i ə m / meg-ə-THEER-ee-əm; from Greek méga 'great' + theríon (θηρίον) 'beast') is an extinct genus of ground sloths endemic to South America that lived from the Early Pliocene [1] through the end of the Late Pleistocene. [2]
The earliest megatheriid in North America was Sibotherium which arrived 5.3 million years ago, after crossing the recently formed Panamanian land bridge. At more than five tons in weight, 6 metres (20 ft) in length, and able to reach as high as 5.2 metres (17 ft), Eremotherium when fully erect was taller than an African bush elephant bull.
Little Salt Spring is a feature of the karst topography of Florida, specifically an example of a sinkhole.It is classified as a third magnitude spring. [4] The numerous deep vents at the bottom of the sinkhole feed oxygen-depleted groundwater into it, producing an anoxic environment below a depth of about 5 m (16.4 ft). [4]
Over the past 15 years, sinkhole damage costs an average of $300 million a year in the United States. There are several ways to identify a sinkhole in progress.
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Rescuers believe the huge sinkhole opened up as Pollard walked over the area — and fear that ongoing efforts to find her will put search crews in danger. Elizabeth Pollard, 64, likely fell into ...
All of these species overlapped between 4.5 and 4.9 million years ago (gray bar). Image from Samuels et al 2018. The site is situated within the Knox Group formation, a series of Cambrian-Ordovician limestones. Groundwater flowing through joints in these rocks creates caves and sinkholes, forming a region of karst topography. The sinkhole that ...
The sinkhole — which appeared large enough to swallow several cars hole — opened on the side of Interstate 80 in Wharton sometime around 7:45 a.m. Monster sinkhole opens along major NJ highway ...