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During the Late Cretaceous, between 100 and 66 million years ago, Great Britain and much of Europe were submerged under a great sea. The sea bottom was covered with white mud formed from fragments of coccoliths , the skeletons of tiny algae that floated in the surface waters and sank to the bottom and, together with the remains of bottom-living ...
Limestone. Limestone ( calcium carbonate CaCO3) 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 CaCO3. Limestone forms when these minerals precipitate out of water containing dissolved calcium.
David ( / ˈdeɪvɪd /; Biblical Hebrew: דָּוִד, romanized: Dāwīḏ, "beloved one") [a] [5] was a king of ancient Israel and Judah and the third king of the United Monarchy, [6] [7] according to the Hebrew Bible and Old Testament . According to Jewish works such as the Seder Olam Rabbah, Seder Olam Zutta, and Sefer ha-Qabbalah (all ...
At sea, near the island of Madeira: Barnato was a British entrepreneur and Randlord who disappeared at sea after mysteriously falling overboard, and was later found dead on 14 June 1897 at sea near Madeira, Portugal. [283] 29 September 1913 Rudolf Diesel: 55 English Channel
The English word Germany derives from the Latin Germania, which came into use after Julius Caesar adopted it for the peoples east of the Rhine. [13] The German term Deutschland, originally diutisciu land ('the German lands'), is derived from deutsch (cf. Dutch), descended from Old High German diutisc 'of the people' (from diot or diota 'people'), originally used to distinguish the language of ...
Greek agate is a name given to pale white to tan colored agate found in the former Greek colony of Sicily as early as 400 BCE. The Greeks used it for making jewelry and beads. Brazilian agate is found as sizable geodes of layered nodules. These occur in brownish tones inter-layered with white and gray.
Ocean color is the branch of ocean optics that specifically studies the color of the water and information that can be gained from looking at variations in color. The color of the ocean, while mainly blue, actually varies from blue to green or even yellow, brown or red in some cases. [1] This field of study developed alongside water remote ...
Turquoise. Turquoise is an opaque, blue-to-green mineral that is a hydrous phosphate of copper and aluminium, with the chemical formula Cu Al 6( PO 4)4( OH)8·4 H 2 O. It is rare and valuable in finer grades and has been prized as a gemstone for millennia due to its hue.