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Record #125844:

Miocene glacial stratigraphy and landscape evolution of the western Asgard Range, Antarctica / David R. Marchant, George H. Denton, David E. Sugden, Carl C. Swisher, III.

Title: Miocene glacial stratigraphy and landscape evolution of the western Asgard Range, Antarctica / David R. Marchant, George H. Denton, David E. Sugden, Carl C. Swisher, III.
Author(s): Marchant, David R.
Denton, George H.
Sugden, David E.
Swisher, Carl C.,
Date: 1993.
In: Geografiska Annaler. Series A. Physical Geography. (1993.), Vol. 75A(4) (1993)
Abstract: In-situ volcanic ashfall deposits indicate that surficial stratigraphy of this range in dry valley region extends back at least to 15 Ma. Preservation of Miocene and Pliocene colluvium and drift on valley slopes shows that major bedrock landforms are relict and that little slope evolution has occurred in last 15 Ma. There is no evidence for notable glacier expansion since last 13.6 Ma; instead, in-situ ashfall deposits indicate persistent hyper-arid, cold-desert conditions with only minor advance of rock glaciers and glacierets in valley heads. Results are consistent with Pliocene stability rather than meltdown of adjacent east Antarctic ice sheet.
Notes:

Geografiska Annaler. Series A. Physical Geography. Vol. 75A(4) :303-330 (1993).

Keywords: .000(410) -- British author.
551.33 -- Glacial geology.
551.336 -- Ice ages.
551.782.1 -- Miocene.
551.782.2 -- Pliocene.
551.337 -- Chronology of the Pleistocene and recent periods.
551.436.5 -- Dry valleys.
551.583.7 -- Palaeoclimatology.
E7 -- Glaciology: glacial geology and ice ages.
(*7) -- Antarctic regions.
(*7.7) -- West Antarctica.
(*762.4) -- Scott Coast.
SPRI record no.: 125844

MARCXML

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245 00 ‡aMiocene glacial stratigraphy and landscape evolution of the western Asgard Range, Antarctica /‡cDavid R. Marchant, George H. Denton, David E. Sugden, Carl C. Swisher, III.
260 ## ‡a[S.l.] :‡b[s.n.],‡c1993.
300 ## ‡ap. 303-330 :‡bill., tables, maps.
500 ## ‡aGeografiska Annaler. Series A. Physical Geography. Vol. 75A(4) :303-330 (1993).
520 3# ‡aIn-situ volcanic ashfall deposits indicate that surficial stratigraphy of this range in dry valley region extends back at least to 15 Ma. Preservation of Miocene and Pliocene colluvium and drift on valley slopes shows that major bedrock landforms are relict and that little slope evolution has occurred in last 15 Ma. There is no evidence for notable glacier expansion since last 13.6 Ma; instead, in-situ ashfall deposits indicate persistent hyper-arid, cold-desert conditions with only minor advance of rock glaciers and glacierets in valley heads. Results are consistent with Pliocene stability rather than meltdown of adjacent east Antarctic ice sheet.
650 07 ‡a.000(410) -- British author.‡2udc
650 07 ‡a551.33 -- Glacial geology.‡2udc
650 07 ‡a551.336 -- Ice ages.‡2udc
650 07 ‡a551.782.1 -- Miocene.‡2udc
650 07 ‡a551.782.2 -- Pliocene.‡2udc
650 07 ‡a551.337 -- Chronology of the Pleistocene and recent periods.‡2udc
650 07 ‡a551.436.5 -- Dry valleys.‡2udc
650 07 ‡a551.583.7 -- Palaeoclimatology.‡2udc
650 07 ‡aE7 -- Glaciology: glacial geology and ice ages.‡2local
651 #7 ‡a(*7) -- Antarctic regions.‡2udc
651 #7 ‡a(*7.7) -- West Antarctica.‡2udc
651 #7 ‡a(*762.4) -- Scott Coast.‡2udc
700 1# ‡aMarchant, David R.
700 1# ‡aDenton, George H.
700 1# ‡aSugden, David E.
700 1# ‡aSwisher, Carl C.,‡cIII.
773 0# ‡7nnas ‡tGeografiska Annaler. Series A. Physical Geography. ‡gVol. 75A(4) (1993) ‡wSPRI-40621
917 ## ‡aUnenhanced record from Muscat, imported 2019
948 3# ‡a20220925