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The Zuytdorp Cliffs extend for about along a rugged, spectacular and little visited segment of the
Western Australia Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to th ...
n
Indian Ocean The Indian Ocean is the third-largest of the world's five oceanic divisions, covering or ~19.8% of the water on Earth's surface. It is bounded by Asia to the north, Africa to the west and Australia to the east. To the south it is bounded by th ...
coast. The cliffs extend from just south of the mouth of the Murchison River at Kalbarri, to Pepper Point south of
Steep Point Steep Point () is the westernmost point of mainland Australia. It is located within the Gascoyne region of Western Australia, north of the state's capital Perth, in the proposed Edel Land National Park. It is also a part of the Shark Bay W ...
. The cliffs are situated in both the
Gascoyne The Gascoyne region is one of the nine administrative regions of Western Australia. It is located in the northwest of Western Australia, and consists of the local government areas of Carnarvon, Exmouth, Shark Bay and Upper Gascoyne. The Gasc ...
and
Mid West The Midwestern United States, also referred to as the Midwest or the American Midwest, is one of four Census Bureau Region, census regions of the United States Census Bureau (also known as "Region 2"). It occupies the northern central part of ...
regions of the state. At the highest point, near Womerangee Hill, the top of the cliffs are above the sea. They are named after a trading ship of the
Dutch East India Company The United East India Company ( nl, Verenigde Oostindische Compagnie, the VOC) was a chartered company established on the 20th March 1602 by the States General of the Netherlands amalgamating existing companies into the first joint-stock ...
, the ''
Zuytdorp ''Zuytdorp'', also ''Zuiddorp'' (meaning "South Village", after Zuiddorpe, an extant village in the south of Zeeland in the Netherlands, near the Belgian border) was an 18th-century trading ship of the Dutch East India Company (Vereenigde Oost ...
'', that was wrecked against the cliffs in 1712.


Geology

The Zuytdorp Cliffs are composed of
Pleistocene The Pleistocene ( , often referred to as the ''Ice age'') is the geological Epoch (geology), epoch that lasted from about 2,580,000 to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was fina ...
aged
limestone Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms whe ...
, a formation called the
Tamala Limestone Tamala Limestone is the geological name given to the widely occurring eolianite limestone deposits on the western coastline of Western Australia, between Shark Bay in the north and nearly to Albany in the south. The rock consists of calcarenit ...
. This limestone formed by the cementation of ancient
calcareous Calcareous () is an adjective meaning "mostly or partly composed of calcium carbonate", in other words, containing lime or being chalky. The term is used in a wide variety of scientific disciplines. In zoology ''Calcareous'' is used as an adje ...
sand dunes that accumulated near the coast during episodes of the last
ice age An ice age is a long period of reduction in the temperature of Earth's surface and atmosphere, resulting in the presence or expansion of continental and polar ice sheets and alpine glaciers. Earth's climate alternates between ice ages and gree ...
. It has been inferred that the relatively straight edge of the cliffs is due to a major fault line just off shore.Hearty, Paul J & O'Leary, Michael J (2008-02-01). Carbonate eolianites, quartz sands, and Quaternary sea-level cycles, Western Australia: A chronostratigraphic approach.(Report). In Quaternary Geochronology. 3 (1-2), 26(30). summary included the following: ''at the type locality of the Tamala Limestone along the Zuytdorp Cliffs, the upper eolianite-paleosol units are characterized ...
ore Ore is natural rock or sediment that contains one or more valuable minerals, typically containing metals, that can be mined, treated and sold at a profit.Encyclopædia Britannica. "Ore". Encyclopædia Britannica Online. Retrieved 7 April 2 ...
y advanced stages of cavernous weathering, pedogenesis, and recrystallization.j''


References


Further reading

* Hocking R.M., van der Graaff W.J.E., Blockley J.G., Butcher B.P. 1982. Ajana, Western Australia, 1:250,000 Geological Map Series, SG50-13, Explanatory Notes, Geological Survey of Western Australia
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{{coord, 27, 11, S, 113, 56, E, region:AU-WA_type:landmark_scale:300000, display=title Shark Bay Cliffs of Australia