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Tellef Dahll (10 April 1825, in Kragerø – 17 June 1893, in Morgedal) was a Norwegian mineralogist and geologist. [1] Life ... The phosphate mineral dahllite ...
View a machine-translated version of the Norwegian article. Machine translation, like DeepL or Google Translate , is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia.
An institution such as a Norwegian geological survey would be "convenient, scientifically necessary and honorable for the nation". The first years of its existence, mapping the bedrock, superficial deposits and mineral resources was its principal task, but it contributed to a Norwegian sense of ownership to the land, something that was ...
Nordic Mining ASA is a Norwegian public limited company (allmennaksjeselskap), registered with VAT number NO 989 796 739 in the Norwegian Register of Business Enterprises. [4] Listed on the Oslo Stock Exchange market Oslo Axess since 14 September 2007, [5] Nordic Mining ASA shares have ticker symbol NOM.OAX and ISIN NO 001 031 7340. [6]
Oseberg (Norwegian: Osebergfeltet) is an offshore oil field with a gas cap in the North Sea located 140 km (87 mi) northwest of the city of Bergen on the southwestern coast of Norway. [1] The field, which is 25 km long by 7 km wide, [ 2 ] was discovered in 1979 and its development is known to be one of the significant milestones in emergence of ...
Draugen is an oil field in the Norwegian Sea with a sea depth of 250 metres (800 ft). It had been operated by A/S Norske Shell until sold to AS OKEA in 2018. [1] The field has been developed with a concrete fixed facility and integrated topside. Stabilized oil is stored in tanks in the base of the facility.
Phosphorite, phosphate rock or rock phosphate is a non-detrital sedimentary rock that contains high amounts of phosphate minerals. The phosphate content of phosphorite (or grade of phosphate rock) varies greatly, from 4% [1] to 20% phosphorus pentoxide (P 2 O 5). Marketed phosphate rock is enriched ("beneficiated") to at least 28%, often more ...
Accordingly, (secondary) phosphate is generally only preserved in enclosed spaces, such as a tightly-closed bivalve shell. [ 3 ] Higher concentrations of phosphate in the sea water do not enhance phosphatization, as may seem natural; rather, it increases the rate at which the organism breaks up, perhaps because the mineral "fertilizes" the ...