calcrete การใช้

• A second theory states that they were formed through the preservation of tree casts buried in coastal aeolianites, where roots became groundwater conduits, resulting in the precipitation of indurated ( hard ) calcrete.
• The Ndolanya Beds, which are located above the Laetolil Beds and underlie the Ogol lavas, are clearly divisible into upper and lower units separated by a widespread deposit of calcrete up to one meter thick.
• This site is of importance as one of the few permanently exposed localities for coldstage Pleistocene gravels in south Somerset and more particularly because it is the first site in Britain in which typical calcrete features have been recorded.
• The Carrow formation is a predominantly fine-grained redbed ( consisting of typically red sedimentary rocks ) unit that has a grade ranging from pebbles and cobble in conglomerate at the base to mudstone laced with calcrete at the top.
• Beach sands with shell fragments and estuarine muds were deposited and later overlain by calcrete-cemented dune sands as the sea retreated . " Dune rock " that was deposited during a Pleistocene interglacial period about 120, 000 years ago is now being eroded in the sea-cliffs near Swartklip.
• In 1984, the IUREP Orientation Phase Mission to Somalia reported that the country had 5, 000 tons of uranium reasonably assured resources ( RAR ), 11, 000 tons of uranium estimated additional resources ( EAR ) in calcrete deposits, as well as 0 150, 000 tons of uranium speculative resources ( SR ) in sandstone and calcrete deposits.
• In 1984, the IUREP Orientation Phase Mission to Somalia reported that the country had 5, 000 tons of uranium reasonably assured resources ( RAR ), 11, 000 tons of uranium estimated additional resources ( EAR ) in calcrete deposits, as well as 0 150, 000 tons of uranium speculative resources ( SR ) in sandstone and calcrete deposits.
• In 1984, the IUREP Orientation Phase Mission to Somalia reported that the country had 5, 000 tons of uranium reasonably assured resources ( RAR ), 11, 000 tons of uranium estimated additional resources ( EAR ) in calcrete deposits, as well as possibly up to 150, 000 tons of uranium speculative resources ( SR ) in sandstone and calcrete deposits.
• In 1984, the IUREP Orientation Phase Mission to Somalia reported that the country had 5, 000 tons of uranium reasonably assured resources ( RAR ), 11, 000 tons of uranium estimated additional resources ( EAR ) in calcrete deposits, as well as possibly up to 150, 000 tons of uranium speculative resources ( SR ) in sandstone and calcrete deposits.