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Calcirudite is a type of
limestone that is
composed predominantly, more than 50 percent, of
carbonate grains that are
larger in size than sand (2 mm in...
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proposed in 1903 by
Grabau as a part of his calcilutite,
calcarenite and
calcirudite carbonate classification system based upon the size of the
detrital grains...
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appears to be man-made. The
megalith is a
large block of
sedimentary calcirudite limestone measuring 12
meters long, and
weighing 15 tons. The
stone may...
- siliciclastic, i.e.
conglomerate and breccia, and
carbonate grains, i.e.
calcirudite and rudstone. This term is
equivalent to the Gr****-derived term, psephite...
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proposed in 1903 by
Grabau as a part of his calcilutite,
calcarenite and
calcirudite classification system based upon the size of the
detrital grains composing...
- black,
green or gray
variety broken up by
widely spaced intervals of
calcirudite beds and
calcareous conglomerate. The
formation formed between two parallel...
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calcisiltite was not an
original part of the calcilutite,
calcarenite and
calcirudite classification system for limestones,
which Grabau proposed in 1903....
- (490–660 ft)
Lithology Primary Claystone, sandstone, tuff, calcarenite,
calcirudite Location Coordinates 38°00′S 72°00′W / 38.0°S 72.0°W / -38.0; -72...
- sandstone,
biocalcirudite S****face,
outer shelf,
tsunami Rocas Negras Calcirudite,
biocalciarenite S****face Mina
Fosforita Sandstone, siltstone, shale...
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shale and
argillaceous limestone middle:
fissile grey-green
shale with
calcirudite beds lower: m****ive and
banded limestone with
shale partings 250 m (820 ft)...
