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regolith

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Journal Article
Journal: Economic Geology
Published: 01 March 2018
Economic Geology (2018) 113 (2): 531-544.
... to peridotite dissolution and karst-like landforms ( Wirthmann, 1965 ; Trescases, 1973 ; Latham, 1986 ; Genna et al., 2005 ). Weathering of peridotite leaves a considerable residue, which constitutes a thick residual lateritic regolith ( Avias, 1969 ; Trescases, 1973 ; Latham, 1986 ). Infiltration...
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Journal Article
Journal: Economic Geology
Published: 01 December 2017
Economic Geology (2017) 112 (8): 1977-2003.
...Heta M. Lampinen; Carsten Laukamp; Sandra A. Occhipinti; Václav Metelka; Samuel C. Spinks Abstract Shortwave infrared (SWIR) field and laboratory reflectance spectra were used to identify and characterize mineral assemblages in regolith within a study area around the Abra base metal deposit...
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Series: GSA Special Papers
Published: 01 September 2014
DOI: 10.1130/2014.2505(18)
... magnetite and presence of scarce akaganeite, a hypothesized reaction product formed in the aerosols derived from reaction of a volcanic plume with water and oxygen in the high atmosphere. A weathering model of the consequences of acidic rains on a continental regolith reveals nearly complete magnetite...
Series: GSA Special Papers
Published: 01 September 2013
DOI: 10.1130/2013.2500(15)
... diffusion coefficient) for thousands to tens of thousands of years is highly unlikely in aridlands. Changing the word soil , in the term soil production function to the term mobile regolith will reduce confusion concerning the actual meanings of these different terms and facilitate a greater degree...
Journal Article
Published: 01 February 2013
Clays and Clay Minerals (2013) 61 (1): 34-56.
...-determining step being processes occurring at the mineral–solution interface, and etch pits form ( Berner, 1978 , 1981 ). Velbel's (1984a , 1993) work on almandine garnet weathering reflects observations for the regolith of the Appalachian Southern Blue Ridge Physiographic Province, USA. In addition...
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Series: GSA Field Guide
Published: 01 January 2013
DOI: 10.1130/2013.0033(01)
EISBN: 9780813756332
... Abstract The architecture of the critical zone—the distribution of mobile regolith, the thickness of weathered rock, and their characteristics, as well as the topography of the land surface—is shaped by erosion and weathering processes that depend upon both lithology and climate...
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Series: GSA Special Papers
Published: 01 December 2011
DOI: 10.1130/2011.2483(13)
... and mark the occurrence of near-surface regolith that is (was) ice rich. The evolution of the Martian landforms has been explained principally by two disparate hypotheses. The first is the “wet hypothesis.” It is derived from the boundary conditions and ice-rich landscape of regions such as the Tuktoyaktuk...
Journal Article
Published: 01 March 1998
South African Journal of Geology (1998) 101 (1): 73-89.
Journal Article
Published: 01 June 1995
Environmental Geosciences (1995) 2 (2): 113-122.
Series: Reviews in Engineering Geology
Published: 01 January 1995
DOI: 10.1130/REG10-p1
EISBN: 9780813758107
... Abstract The results of three types of laboratory strength tests on undisturbed samples of a saturated clayey soil regolith are analyzed. Drained-direct shear tests, aniso-tropically consolidated-undrained triaxial compression tests with pore pressure measurement, and constant-shear-drained...
Journal Article
Published: 01 October 1994
Clays and Clay Minerals (1994) 42 (5): 582-592.
Journal Article
Journal: Clay Minerals
Published: 01 June 1994
Clay Minerals (1994) 29 (2): 265-272.
Journal Article
Published: 01 August 1993
Quarterly Journal of Engineering Geology and Hydrogeology (1993) 26 (3): 163-178.
...Craig M. Trotter Abstract The influence of weathering on the physical, chemical and geotechnical characteristics of soils has been examined for both unstable and adjacent stable ground at a site in North Island New Zealand where earthflows have developed in regolith overlying Tertiary calcareous...
Journal Article
Published: 01 August 1985
Canadian Journal of Earth Sciences (1985) 22 (8): 1139-1148.
Journal Article
Journal: Geology
Published: 01 January 1985
Geology (1985) 13 (1): 39-41.
.... Despite uncertainties about the processes by which 10 Be may be intercepted before entering the solum and eroded after incorporation, a minimum age may be calculated for the regolith. This calculation is based on the delivery rate of 10 Be and its decay rate and suggests that this residual profile...
Journal Article
Published: 01 May 1984
Environmental and Engineering Geoscience (1984) xxi (2): 229-247.
... Mississippian age limestone and dolomite beds that underlie the region at a depth of several hundred feet. Paleocollapse structures were formed during an earlier interval of geologic time and are covered by the regolith. Consequently, they are commonly unnoticed until the intensely folded and faulted bedrock...