Results 81 to 90 of about 87,430 (210)

Minerals in Afghanistan : the potential for copper [PDF]

open access: yes, 2006
There are around 300 documented copper deposits, occurrences and showings in Afghanistan as shown in Figure 1. A variety of styles of copper mineralisation occur in rocks ranging in age from Proterozoic to Neogene.
Benham, Antony John, Coats, Stan
core  

Characteristics of Chang 7 shale gas reservoirs in Triassic Yanchang Formation of Ordos Basin and its exploration and development prospects

open access: yesShiyou shiyan dizhi
As the second-largest sedimentary basin in China, the Ordos Basin has enormous potential for oil and gas exploration. The Chang 7 member of the Triassic Yanchang Formation in the basin is extensively distributed with organic-rich source rocks, covering ...
Kai WU   +5 more
doaj   +1 more source

Hydrological summary for the United Kingdom: January 2012 [PDF]

open access: yes, 2012
The monthly summary of hydrological conditions in the United Kingdom is compiled as part of the National Hydrological Monitoring Programme (a joint CEH and BGS enterprise).
Marsh, Terry   +2 more
core  

Hydrological Summary for the UK: April 2009 [PDF]

open access: yes, 2009
The monthly summary of hydrological conditions in the United Kingdom is compiled as part of the National Hydrological Monitoring Programme (a joint CEH and BGS enterprise).
Hannaford, Jamie   +2 more
core  

The Triassic climate and its evolutionary characteristics in Jiyuan area in south of North China Plate: Evidence from paleosol geochemistry

open access: yes河南理工大学学报. 自然科学版
ObjectivesThe Triassic period was a period of rapid fluctuation of greenhouse climate, and the paleosol recorded abundant paleoclimate information. To study the climate change process from extreme to medium greenhouse,Methodsthe Triassic paleosoils in ...
YANG Wentao   +3 more
doaj   +1 more source

Catalogue of the Hantken collection: carbonate microfacies photographs from 1872-82 [PDF]

open access: yes, 1996
Maximilian Hantken (1821-1893), founding professor of the Department of Palaeontology at Budapest University, was a pioneer in stratigraphic micropalaeontological studies.
Kázmér, Miklós
core  

Discussion on structural evolution of Mesozoic Peninsular Malaysia [PDF]

open access: yes, 1991
Altermann   +22 more
core   +1 more source

Strontium isotope stratigraphy: LOWESS version 3: best fit to the marine Sr-isotope curve for 0-509 Ma and accompanying look-up table for deriving numerical age [PDF]

open access: yes, 2001
An improved and updated version of the statistical LOWESS fit to the marine 87Sr/86Sr record and a revised look-up table (V3:10/99; available from j.mcarthur@ucl.ac.uk) based upon it enables straightforward conversion of 87Sr/86Sr to numerical age, and ...
Bailey, T.R.   +2 more
core  

Oil accumulation and tectonic physicochemical parameters of Yanchang Formation of Triassic in the southern Ordos Basin, China

open access: yesOpen Geosciences
As the second largest sedimentary basin in China, the Ordos Basin has achieved significant results in tight oil and gas. By methods of fluid inclusion and tectonic evolution, the tectonic-physicochemical parameters of hydrocarbon accumulation are ...
Ding Chao   +6 more
doaj   +1 more source

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