Download Aeolian sediments: ancient and modern by Kenneth Pye, N. Lancaster PDF

By Kenneth Pye, N. Lancaster

Stories of aeolian sediments, either historic and smooth, have exhibited a few vital conceptual advances lately. particularly, there was a stream clear of descriptions of sediments, bedforms and sedimentary environments towards a brand new emphasis at the dynamics of aeolian depositional platforms at varied temporal and spatial scales, and their reaction to exterior alterations in sea degrees, local and international climates and tectonics. This specified book features a number of papers that have been offered on the Symposium "Aeolian Sediments: historical and sleek" held in 1990. it is also a few contributions from authors who weren't in a position to attend the assembly, yet whose paintings displays vital points of latest examine in aeolian sedimentology.State-of-the-art examine papers in aeolian sedimentologyInternational, specialist authorshipOf relevance to trendy matters approximately international weather changeIf you're a member of the foreign organization of Sedimentologists, for getting info, please see:

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QlUll. Res. 34, 169- 1 �5. Lrrn,I:, J . P .. MtTMlI:. M. KES. J . ( 1978) WcHthering of qUUt'lZ clunc �flnds under subtropicul conditions, Ceo(/el'lllll 20, 225-237. tiNSZ, R . S . fIli(/1/ Regiol/ . july 1909-JIIIIC 1975. Mct col'Ologicnl SUlIllllary for the Bureau of MctCOI·ology. Austl'alhHl GOVC1'111HCllt Publishing Servicc. Melbournc. I I I pp. MAXWELl.. W. I. H . (// IJorriel' Rf1cJ. Elscvicr. Amstcrdam, 258 pp. fI study o f global sand scas. I n : A Global Sflldy of S(lild Seas ( �d. McKee, E .

I i 6L - O n the southern side of Shelburne Bay at Double Point, a thin co m posi te layer of aeolian sUlld (2-5 In thick) overlies bcdl'Ock. Lees e/ {II. ( 1 990) recognized an upper u n it of while sancl, interpreted as modern, and a lower u n i t of brown, humic·rich sand. The lalter gave " coarse-fraction (90-125 1I1n) TL age of 23 800 ± 2400 BP (Xian Au-06). tnd reworked by a transgressive dune sheet (Pye, 1983b). Shell hash from the youngest beach ridge underlying this t ransgressive dune sheet gave a reservoir-corrected 14 age of 930 ± 135 yrs B P (B-5045).

Ra ngi ng from while 10 brown and dnrk rcd. : 51iO BP (A u . 15). A '[ol11ple of 'and co llected immediatcly benea th a residual pi sol i tic and age of lag dcposi l on the surface of a degraded olcler dune ( in tcrpreted as U n i t E), l oca ted 10 the south of the d a ted U n i t D d u n e . , 1990). A sccond sample from grcHlcr dcpth below a s i m i l a r p i so l i t i c layer i n co m p a ra b lc sa n dy deposits south of Bl"Ogdcll Poillt. 011 fhe southern Cobourg Peninsula. : 8500 Br ( A u · 1 2 ) .

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