Results 11 to 20 of about 638,398 (175)

Geology and mineralization of the Sanshandao supergiant gold deposit (1200 t) in the Jiaodong Peninsula, China: A review

open access: yesChina Geology, 2021
The Jiaodong Peninsula in Shandong Province, China is the world’s third-largest gold metallogenic area, with cumulative proven gold resources exceeding 5000 t.
Mingzhe Song   +15 more
semanticscholar   +1 more source

Paleoseismic and Slip-Rate Observations along the Honey Lake Fault Zone, Northeastern California, USA [PDF]

open access: yes, 2008
The Honey Lake fault is a major strike-slip fault in northeastern California that accommodates northwest-directed right-lateral shear in the northern Walker Lane.
Briggs, R. W.   +3 more
core   +1 more source

Abrupt climate changes of the last deglaciation detected in a Western Mediterranean forest record [PDF]

open access: yes, 2009
Abrupt changes in Western Mediterranean climate during the last deglaciation (20 to 6 cal ka BP) are detected in marine core MD95-2043 (Alboran Sea) through the investigation of high-resolution pollen data and pollen-based climate reconstructions by the ...
Dormoy, Isabelle   +3 more
core   +3 more sources

Cognitive Structures of Good and Poor Novice Problem Solvers in Physics [PDF]

open access: yes, 1986
The way knowledge is organized in memory is generally expected to relate to the degree of success in problem solving. In the present study, we investigated whether good novice problem solvers have their knowledge arranged around problem types to a ...
Ferguson-Hessler, Monica G.M.   +1 more
core   +3 more sources

Evidence for Compact Dark Matter in Galactic Halos [PDF]

open access: yes, 1999
Clumped dark matter arises naturally within the framwork of generic cosmological dark matter models. Invoking the existence of dark matter clumps can also solve may unexplained mysteries in astrophysics and geology or geophysics, eg.
Abbas, A., Abbas, S., Mohanty, S.
core   +4 more sources

Proterozoic to Ordovician geology and tectonic evolution of Rio de Janeiro State, SE-Brazil: insights on the central Ribeira Orogen from the new 1:400,000 scale geologic map

open access: yesBrazilian Journal of Geology, 2020
A comprehensive tectonic evolution of Proterozoic to Cambrian rocks that integrate the crystalline basement of Rio de Janeiro State, based on the new geological map, is presented.
M. Heilbron   +13 more
semanticscholar   +1 more source

Movement decisions reflect compromised statewide connectivity for mountain lions in California

open access: yesFrontiers in Ecology and the Environment, EarlyView.
Human‐induced habitat fragmentation threatens connectivity for populations of wide‐ranging species by compromising long‐distance dispersal. We evaluated movement‐based resource selection of dispersing mountain lions (Puma concolor) to identify specific landscape conditions influencing movement decisions and connectivity between populations across the ...
Kyle D Dougherty   +17 more
wiley   +1 more source

On the crescentic shape of barchan dune

open access: yes, 2004
Aeolian sand dunes originate from wind flow and sand bed interactions. According to wind properties and sand availability, they can adopt different shapes, ranging from huge motion-less star dunes to small and mobile barchan dunes.
Hersen, P.
core   +3 more sources

INFOMAR data supports offshore energy development and marine spatial planning in the Irish offshore via the EMODnet Geology portal

open access: yesQuarterly journal of engineering geology and hydrogeology, 2020
The characterization of the seafloor is a fundamental first step in informing resource management, marine spatial planning, conservation, fisheries, industry and research.
J. Guinan   +6 more
semanticscholar   +1 more source

High‐Titanium Zircon Rims in Rhyolite – A Reflection of Adiabatic Ascent?

open access: yesGeological Journal, EarlyView.
The ascent of granitic magma from source to emplacement is rapidly achieved through dyking, resulting in negligible heat loss to the surrounding wallrock (i.e., adiabatic). Zircon growth during ascent can record the changing magma conditions including adiabatic cooling and heating, resulting in high titanium rims on low titanium cores without ...
Carson Kinney   +2 more
wiley   +1 more source

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