Evidence for Rapid Flood Runoff
by Michael Oard
As the world’s continents were uplifted from the waters of the global Flood, they were greatly eroded. During this massive erosion, the rocks that weren’t pulverized were transported hundreds of kilometers toward the oceans. The enormous power of the receding water, relentlessly shaving off the surfaces it flowed over, left behind large flat areas known as planation surfaces, along with coastal Great Escarpments, large natural bridges, and freestanding arches. Scientists studying conventional geomorphology find all these features puzzling because they ignore the Flood and rely only on slow erosion over millions of years, which does not work.
The mystery of inselbergs
Tall erosional remnants are another feature that puzzles secular scientists. Although there are other terms for such prominent leftovers from erosion, they are generally called ‘inselbergs’. An inselberg (from the German = ‘island mountain’) is: “A prominent, isolated residual knob, hill, or small mountain of circumdenudation, usually smoothed and rounded, rising abruptly from and surrounded by an extensive lowland erosion surface …” The planation surface usually surrounding the structure represents the flat ‘sea’ from which the isolated structure juts, like an oceanic island. (‘Circumdenudation’ = all around it has been eroded away.)
Thousands of tall inselbergs are found on all continents. Uluru (Ayers Rock) in central Australia is one of the most famous. It stands 350 metres (1,150 feet) above a flat desert floor. Its east and north edges are flanked by a buried pediment (i.e. a planation surface formed by water at the foot of a mountain, mountains, or a ridge). Uluru is a surface erosional remnant carved from a huge sandstone body, one that continues some 6,000 m (20,000 ft) below the surface. The sandstone rock layers in Uluru are almost vertical, indicating that, before the rock was eroded, it was tipped up and subsequently eroded leaving the erosional remnant. The origin of Uluru remains a mystery for conventional long-age geology, since its survival was not due to the type of rock. Indeed, it’s largely composed of feldspar-rich ‘arkose’ sandstone, and feldspar would have weathered into clay if it had been exposed for millions of years. According to one secular, “The early geomorphological history and the fundamental reasons for Ayers Rock [Uluru] remain obscure, though various possibilities have been suggested.”
Other notable inselbergs include Spitzkoppe which towers about 600 m (2,000 ft) above the Namib Desert, southwestern Africa. This desert is a gravel-capped planation surface in the country of Namibia, west of the Great Escarpment in southern Africa.
The famous Sugarloaf Mountain, 400 m (1,300 ft) tall, and other granite residuals (leftover remnants of erosion) bordering the Rio de Janeiro harbour of Brazil are also inselbergs…
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image credit: Ondrej Machart