Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Ha Long Bay' has mentioned 'Erosion' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| Marine erosion created the notches which in some places have been enlarged into caves. | WIKI |
| The dissolution process of sea water acting on the limestone and erosion by wave action crates notches at the base of the cliffs. | WIKI |
| However, Hxe1xbaxa1 Long Bay has also been invaded by the sea so that the geomorphology of its limestone islands are, at least in part, the consequence of marine erosion. | WIKI |
| Some of the most remarkable geological events in Hxe1xbaxa1 Long Bay's history have occurred in the last 1,000 years, include the advance of the sea, the raising of the bay area, strong erosion that has formed coral, and, pure blue and heavily salted water. | WIKI |
| This process of erosion by seawater has deeply engraved the stone, contributing to its fantastic beauty. | WIKI |
| Date Geologic period Events 570,000,000xe2x80x93500,000,000 BC beginning of the Cambrian Period The area, which now forms Ha Long Bay, was basically mainland, subject to a process of rain erosion. | WIKI |
| 420,000,000xe2x80x93340,000,000 BC end of the Silurian Period and throughout the whole Devonian Period The area was subjected to powerful forces of erosion from the hot and dry climate. | WIKI |
| middle of the Paleogene Period These motions remain continuous and stable, while strong processes of erosion began, and after millions of years, a form of semi-highland topography took shape. | WIKI |
| The continuation of this erosion has progressively cut the highlands into blocks with altitudes similar to today's mountains 26,000,000xe2x80x9310,000,000 BC Neogene Period The development of the Ha Long depression 2,000,000xe2x80x939000 BC Pleistocene epoch of the Quaternary period The process of erosion began dissolving the limestone-rich region of Ha Long, after that, forming the limestone plain was most active 68,000xe2x80x939000 BC middle and late Pleistocene Epoch Period when the caves and grottoes of the area formed. | WIKI |
| This steady erosion constantly widened the cracks, eventually creating today's formations. | WIKI |