. British Antarctic expedition, 1907-9, under the command of Shackleton : reports on the scientific investigations ; geology. s of old snow forming its northern edge the surfaceis formed entirely of hard snow covered with a thin glaze, due to thawing and re-freezing of the snow. Its surface shows broad, but very gentle, undulations, withintervals of about a quarter of a mile between the summit of one undulation andthat of the next. Here and there, especially near its southern margin, hummocky sastrugi project5 or 6 feet above its general surface. Towards the centre of the Tongue the sasti
. British Antarctic expedition, 1907-9, under the command of Shackleton : reports on the scientific investigations ; geology. s of old snow forming its northern edge the surfaceis formed entirely of hard snow covered with a thin glaze, due to thawing and re-freezing of the snow. Its surface shows broad, but very gentle, undulations, withintervals of about a quarter of a mile between the summit of one undulation andthat of the next. Here and there, especially near its southern margin, hummocky sastrugi project5 or 6 feet above its general surface. Towards the centre of the Tongue the sastiugiare comparatively insignificant, only a few inches in height. Certainly the plateauwind in this neighbourhood is quite subordinate in force to the southerly blizzards,as far as one can judge from the sastrugi. This is the reverse of what is the casenear the Drygalski. The jalateau wind would, therefore, scarcely be strong enough to M^Smith tt jlwV \ 4500 F Si^---- ^ PiedmontGlacier Ice. ROSS SEA Drift X/^SnoM .<»ij ^myJ^ * ffil CHARCOT BAY M * M Urray^[#5T i-/—1^ Cape Bruce ^-~- . X^V , ? ) o/rf Glacier M^Gauss fe. er Ice i \ M^Chetwynd^^-1 \piedmont5000 feet ^^-, \c/3aerlce Statute Miles i. 3 * X NORDENSKJdLD^. ICE BARRIER \ TONGIE —- ) N. WEST. M^ Murray
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Keywords: ., boo, bookcentury1900, booksubjectgeology, booksubjectpaleontology
