Word Finder - reef

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A chain or range of rocks, sand, or coral lying at or near the surface of the water.

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A large vein of auriferous quartz; hence, any body of rock yielding valuable ore.

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A portion of a sail rolled and tied down to lessen the area exposed in a high wind.

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A reef knot.

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To take in part of a sail in order to adapt the size of the sail to the force of the wind.

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To pull or yank strongly, especially in relation to horse riding.

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(of paddles) To move the floats of a paddle wheel toward its center so that they will not dip so deeply.

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Reef the paddles.

A coral reef lies across the entrance.

The channel between the reef and the coast is in places 70 m.

Ongtong Java, a coral reef of many islets, lies considerably north of the main group to which, geographically, it can hardly be said to belong.'

The port is formed by a stone reef running parallel with and a half-mile from the shore line, within which vessels of light draft find a safe anchorage, except from southerly gales.

The " Pandora," under Captain Edwards, was sent out in search of the " Bounty," and discovered the islands of Cherry and Mitre, east of the Santa Cruz group, but she was eventually lost on a reef in Torres Strait.

The Devonian system is well exposed in the Reef ton mining field.

An almost unbroken barrier reef skirts the west shore at about 5 m.

The association and distribution of gold may be considered under two different heads, namely, as it occurs in mineral veins - " reef gold," and in alluvial or other superficial deposits which are derived from the waste of the former - " alluvial gold."

The Great Barrier Reef of Australia can be traced more or less continuously round the Gulf of Papua and along the south-east coast to the extremity of the Louisiades.

In 1883 the discovery of Moodie's Reef near the Kaap Valley led to a considerable influx of diggers and prospectors from the colonies and Europe, and by 1884 the Sheba Mine had been opened up, and Barberton, with a population of 5000 inhabitants, sprung into existence.

They lie within a coral barrier reef, and in the south the islands are of coral, but in the north of volcanic rocks.

The main reef, continuously traced, measures about 62 m.

This was a conservative estimate, and was made before the full extent of the reefs was known; in 1904 Lionel Phillips stated that the main reef series had been proved for 61 m., and he estimated the gold remaining to be mined to be worth £2,500,000,000.

As we went over the reef, we saw a big pipefish.

Two other United States warships, "Trenton" and "Vandalia," were beaten to pieces on the coral reef; and the German warships "Olga" and "Eber" were wrecked with great loss of life.

The richest in gold are to be found among the Main Reef series, which yields by far the greater part of the total output of gold from the Transvaal.

In many places the main reef lies at a great depth and some bore-holes are over 5500 ft.

The surveys and reports of Captain Moresby in 1874 brought home to Queensland (and Australia generally) the dangers possible to her commerce were the coasts opposite to Torres Strait and the entrance to the splendid waterway inside the Barrier Reef to fall into the possession of a foreign power.

The reef top is sand and has a sloping drop-off.

Pelsert struck on a reef called " Houtman's Abrolhos " on the 4th of June 1629.

According to tradition an abbot of Aberbrothock (Arbroath) had ordered a bell - whence the name of the rock - to be fastened to the reef in such a way that it should respond to the movements of the waves, and thus always ring out a warning to mariners.

In 1886 there was a serious volcanic eruption in the outlying island of Nivafoou, and at the same time Falcon Reef, normally awash at high water, discharged sufficient scoriae and pumice to form a new island 50 ft.

Not far from St Augustine a spring bursts through the sea itself with such force that the ocean breakers roll back from it as from a sunken reef.

Around the coast there is a raised shelf of limestone which was undoubtedly a coral reef.

The flat summit is formed by a succession of limestones - all deposited in shallow water - from the Eocene (or Oligocene) up to recent deposits in the above-mentioned atoll with islands on its reef.

The Black Reef Series is composed of quartzites, sandstone, slates and conglomerate.

One is a red granite intruded subsequently to the Waterberg sandstones; another is a grey variety considered to be older than the Black Reef series and possibly older than the Witwatersrand series.

In 1770 Captain Cook here beached his ship the "Endeavour," to repair the damage caused by her striking a reef in the neighbourhood of the estuary, which he could only clear by throwing his guns overboard.

The town lies immediately north of the central part of the main gold reef.

The town, named after Johannes Rissik, then surveyor-general of the Transvaal, was founded in September 1886, the first buildings being erected on the part of the reef where are now the Ferreira and Wemmer mines.

There are several series of parallel beds, interstratified with quartzite and schist, the most important being the "main reef" series.

The gold in this conglomerate reef is partly of detrital origin and partly of the genetic character of ordinary vein-gold.

The Black Reef series of quartzites and conglomerates and dolomite form a narrow outcrop resting unconformably upon the last-mentioned system.

Often, as has been said, the atoll is divided into a number of islets, but in some smaller atolls the ring is complete, and the sea-water gains access beneath the surface of the reef to the lagoon within, where it is sometimes seen to spout up at the rise of the tide.

The greater part of the coast is surrounded by a coral reef, often half a mile wide; in several localities an old reef upheaved, sometimes 100 ft.

Since the lighting no wrecks have occurred on the reef.

Its harbour consists of an outer and inner anchorage, the former an open roadstead, which are separated by a remarkable stone reef running parallel with the shore-line, leaving an inside passage 400 to 500 ft.

The entrance to the inner anchorage, which has a depth of about 20 ft., is opposite Fort Brum in the northern part of the city, and is marked by a small Dutch fort (Picao) and a lighthouse at the northern extremity of the reef.

It is not a coral reef, as is sometimes stated, but is a consolidated ancient beach, now as hard and firm as stone.'

Evidence of recent elevation of the island is furnished by masses of coral reef and beach coral rock standing at heights of 40 ft.

The town is the centre of the Ovens goldfields, and the district is mainly devoted to mining with both alluvial and reef working, but much of the land is under cultivation, yielding grain and fruit.

Coral formations are abundant; immense reefs, both barrier and fringing, skirt both coasts, often enclosing wide channels between the reef and the land.

In the neighbourhood are gold-mines, the reef appearing to form the western boundary of the Witwatersrand basin.

It stands on the small estuary of the Grey or Mawhera river, has a good harbour, and railway communication with Hokitika, Reef ton, &c., while the construction of a line to connect with Christchurch and Nelson was begun in 1887.

The most easterly island is Frigate, the most southerly Platte; on the northern edge of the reef are Bird and Denis islands.

It is approached by a deep channel through the coral reef which fringes the entire eastern side of the island.

These are overlain, perhaps unconformably, by a great thickness of lavas and volcanic breccias (Pniel volcanic series, Beer Vley and Zeekoe Baard amygdaloids), and these in turn by the quartzites, grits and shales of the Black Reef series.

Pigg's Peak and Forbes Reef are mining settlements in northern Swaziland.

The black coral (Antipathes abies), formerly abundant in the Persian Gulf, and for which India is the chief market, has a wide distribution and grows to a considerable height and thickness in the tropical waters of the Great Barrier Reef of Australia.

An opening on the northern side of the reef permits the entrance of vessels into the northern part of the lagoon, which forms a good harbour known as Port Refuge or Port Albion.