. British Antarctic expedition, 1907-9, under the command of Shackleton : reports on the scientific investigations ; geology. f fine rubble as the result of the great diurnalrange of temperature. An immense medial moraine was observed between theCloudmaker and the great nunatak, Buckley Island, formed partly of coal-bearingrocks, partly of limestone. This moraine was traced over a distance of 60 milesup to the head of the glacier to the large nunataks of Mounts Bartlett, Buckley,and Darwin. It was in one of the sandstone blocks in this moraine, derived fromthe Beacon Sandstone, that a sma
. British Antarctic expedition, 1907-9, under the command of Shackleton : reports on the scientific investigations ; geology. f fine rubble as the result of the great diurnalrange of temperature. An immense medial moraine was observed between theCloudmaker and the great nunatak, Buckley Island, formed partly of coal-bearingrocks, partly of limestone. This moraine was traced over a distance of 60 milesup to the head of the glacier to the large nunataks of Mounts Bartlett, Buckley,and Darwin. It was in one of the sandstone blocks in this moraine, derived fromthe Beacon Sandstone, that a small piece of fossil wood, figured later in thisvolume, was The boulders of the moraine here in December 1908 were • It does not of course follow that it was from 2000 to 3000 feet thicker than now,as one has to allow for perhaps a fair amount of glacial erosion subsequent to the climax of theice flood. t The presence of small plant structures resembling rootlets in the adjacent shales suggests thatthe tree to which this wood, apparently coniferous, belongs was not drift wood, but grew in situ. PLATE.
Size: 2289px × 1092px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., boo, bookcentury1900, booksubjectgeology, booksubjectpaleontology
