Results 21 to 30 of about 60,260 (238)
Temporal and spatial evolution of a waxing then waning catastrophic density current revealed by chemical mapping [PDF]
, 2013 We reconstruct the behavior of a catastrophic sustained radial pyroclastic density current as it waxed then waned during its brief lifespan. By subdividing the deposit into 8 time slices using a chemical tracer, we show that the sustained current ...
Barry, Tiffany L. +2 more
core +1 more source
International Journal of Economic and Environment Geology, 2020 A likely tuff bed lies along the gradational contact of the Middle and Upper Siwaliksineastern Sulaiman Range, Taunsa areaofDera GhaziKhan district, Pakistan.
Rahman Ullah, Nie Fengjuin, Zhang Chengyong, Saqib Izhar, Idrees Safdar, Zhang Xin, Asim Ali
doaj +1 more source
Internet Archaeology, 2022 Evidence for Final Palaeolithic and Mesolithic occupation at Maryport, Cumbria, was discovered during the excavation of Roman occupation features by CFA Archaeology Ltd. A varied lithic assemblage was recovered including worked flint (55%) and tuff (43%),
Ann Clarke, Magnus Kirby
doaj +1 more source
Effect of ceramic waste on mechanical and geotechnical properties of tuff treated by cement
Case Studies in Construction Materials, 2020 Experimental work has been undertaken to study the ceramic waste effect on mechanical and geotechnical properties of tuff treated by cement using a mixing ratio.
Benamar Balegh +2 more
doaj +1 more source
Modeling the formation of high metal concentration zones in man-made deposits [PDF]
, 2018 Purpose. To study conditions of forming the zones of high metal concentration in metal-containing man-made deposits. To assess the likelihood of metal concentration in the placer core. Methods.
Korniienko, V +4 more
core +1 more source
Geosciences, 2017 Volcanic ash is a volcanic product with a wide distribution that can be used as a geological marker. In volcanic regions such as Indonesia, the identification of the sources of volcanic ash and tuff layers from different volcanoes or eruptive events is a
Nono Agus Santoso +4 more
doaj +1 more source
Forest@, 2020 In Italy, the National Forestry Strategy (SFN) is being implemented: it is an important operational framework to be sized by Regional Governments to which the administrative competences in the forestry sector are delegated.
Romano S
doaj +1 more source
Report of Investigations No. 135 Oligocene Volcanism and Multiple Caldera Formation in the Chinati Mountains, Presidio County, Texas [PDF]
, 1983 UT ...
Cepeda, Joseph C., Henry, Christopher D.
core +1 more source
Un tuf volcanique semblable à l'Eltviller Tuff dans les loess de Hesbaye (Belgique) et du Limbourg néerlandais [PDF]
Eiszeitalter und Gegenwart, 1981 Ein vulkanischer Tuff ist in drei Lößprofilen von Ostbelgien (Rocourt und Lixhe) und niederländisch Limburg gefunden worden. Dieser Tuff kann mit dem Eltviller Tuff (Semmel 1967) korreliert werden.
E. Juvigné, A. Semmel
doaj +1 more source
Journal of Marine Science and Engineering, 2023 In recent years, offshore wind turbine technology has been widely developed, making a significant contribution to the advancement of renewable energy.
Qi Zhang +5 more
doaj +1 more source