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作者:... Olivier Bachmann , Marcel Guillong , William M. Phillips
来源:[J].Earth and Planetary Science Letters(IF 4.349), 2015, Vol.415, pp.80-89
摘要:Abstract(#br)Many magmatic provinces produce strongly bimodal volcanism with abundant mafic and silicic magmas yet a scarcity of intermediate (55–65 wt.% SiO 2 ) compositions. In such bimodal settings, much debate revolves around whether the basaltic magmas act as heat sourc...
作者:William M. Phillips , Adrian M. Hall ...
来源:[J].Geomorphology(IF 2.552), 2005, Vol.73 (3), pp.222-245
摘要:Abstract(#br)The occurrence of tors within glaciated regions has been widely cited as evidence for the preservation of relic pre-Quaternary landscapes beneath protective covers of non-erosive dry-based ice. Here, we test for the preservation of pre-Quaternary landscapes with...
作者:William M. Phillips , Michael A. Summerfield ...
来源:[J].Earth and Planetary Science Letters(IF 4.349), 2008, Vol.276 (1), pp.62-72
摘要:Abstract(#br)Basin-averaged cosmogenic 10 Be concentrations, apatite (U–Th)/He thermochronometry and incision into a dated palaeosurface constrain spatial and temporal variations in the rates of denudation experienced during the early-stages of orogenesis in the San Bernardi...
作者:William M. Phillips , Michael A. Summerfield ...
来源:[J].Geomorphology(IF 2.552), 2010, Vol.118 (3), pp.249-261
摘要:Abstract(#br)The relative importance of climatic and tectonic factors in driving rates of denudation in mountain ranges has long been debated, with both precipitation and rates of crustal uplift cited as first order controls in a variety of different mountainous settings. Fe...
作者:William M. Phillips , Michael A. Summerfield
来源:[J].Quaternary Geochronology(IF 4.015), 2006, Vol.1 (1), pp.4-14
摘要:Abstract(#br)Cosmogenic nuclide concentrations in alluvial sediments have been widely used to estimate basin-wide denudation rates. This technique requires that sediments be well mixed so as to avoid biasing results towards particular source locations within the basin. However, f...
作者:William M. Phillips , Barbara A. Maher ...
来源:[J].Journal of Human Evolution(IF 4.094), 2010, Vol.60 (5), pp.549-570
摘要:Abstract(#br)Flake based assemblages (Mode 1) comprise the earliest stone technologies known, with well-dated Oldowan sites occurring in eastern Africa between ∼ 2.6-1.7 Ma, and in less securely dated contexts in central, southern and northern Africa. Our understanding of th...
作者:... Adrian M. Hall , William M. Phillips , Margaret A. Stewart
来源:[J].Geografiska Annaler: Series A, Physical Geography(IF 1.667), 2019, Vol.101 (1), pp.34-44
摘要:ABSTRACT(#br)Concentrations of boulders are a common feature of landscapes modified by former mid-latitude ice sheets. In many cases, the origin of the boulders can be traced in the up-ice direction to a cliff only tens to hundreds of metres distant. The implication is that a pul...
作者:William M. Phillips , Adrian M. Hall ...
来源:[J].Journal of Quaternary Science(IF 2.939), 2008, Vol.23 (2), pp.101-107
摘要:Abstract(#br)The extent of the last British–Irish Ice Sheet (BIIS) in northern Scotland is disputed. A restricted ice sheet model holds that at the global Last Glacial Maximum (LGM; ca. 23–19 ka) the BIIS terminated on land in northern Scotland, leaving Buchan, Caithness and...
作者:Karen L. Vaughan , Paul A. McDaniel , William M. Phillips
来源:[J].Soil Science Society of America Journal(IF 1.821), 2011, Vol.75 (4), pp.1462-1470
摘要:Holocene‐ to late Pleistocene‐aged lava flows at Craters of the Moon National Monument and Preserve provide an ideal setting to examine the early stages of soil formation under cool, dry conditions. Transects were used to characterize the amount and nature of soil cover on a...
作者:William M. Phillips
来源:[J].Scottish Geographical Journal, 2001, Vol.117 (1), pp.1-15
摘要:Cosmogenic nuclide surface exposure dating has generated important new insights into landscape evolution and surface process rates. The method permits numerical ages to be estimated for landforms that are difficult or impossible to otherwise date with a precision of about 5 % to ...

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