Results 91 to 100 of about 2,331 (192)

Bibliografia actualitzada sobre espeleologia física i carst de les Illes Balears [PDF]

open access: yes, 2004
[eng] An updated bibliographic compilation on physical speleology and karst in the Balearic Islands is now presented, which gathers to this date a total of 533 references on these matters.
Ginés Gracia, Joaquim   +1 more
core  

Paleogene evolution of the External Betic Zone and geodynamic implications [PDF]

open access: yes, 2014
Interdisciplinary studies combining field data (geological and tectonic mapping, lithostratigraphic reconstructions, lithofacies characterization, correlations and sampling) and laboratory analyses (biostratigraphy, chronostratigraphy, clay mineralogy ...
Guerrera, Francesco   +5 more
core   +4 more sources

An inventory of the marine and transitional Middle/Upper Eocene deposits of the Southeastern Pyrenean Foreland Basin (NE Spain) [PDF]

open access: yes, 2003
In the southeastern Ebro Foreland Basin, the marine deposits of Lutetian and Bartonian age show excellent outcrop conditions, with a great lateral and horizontal continuity of lithostratigraphic units.
Barnolas, Antonio   +11 more
core   +4 more sources

Travertine precipitation in the Paleoproterozoic Kuetsjärvi Sedimentary Formation, Pechenga Greenstone Belt, NE Fennoscandian Shield [PDF]

open access: yes, 2014
PES was supported by Väisälä Foundation (Finnish Academy of Science and Letters) and the Finnish Doctoral Program in Geology. ATB was supported by NERC grant NE/G00398X/1. VAM was supported by NFR grant 191530/V30 (projects 331000 and 802795).
Brasier, A. T.   +3 more
core   +1 more source

Los elementos traza (Mg, Sr, Ha, Fe, Mn) en carbonatos: ambiente genético del Karst del techo de la unidad intermedia de la Cuenca neógena de Madrid. [PDF]

open access: yes, 1992
Este trabajo trata de caracterizar geoquímicamente el karst del techo de la U. Intermedia del Mioceno en las partes centrales de la Cuenca de Madrid. Para ello se han estudiado una serie de elementos traza (Mg, Sr, Na, Fe y Mn) mediante fluorescencia de ...
Calvo Sorando, José Pedro   +3 more
core  

New biostratigraphic data from the Callovian-Oxfordian La Manga Formation, Neuquén Basin, Argentina: Evidence from an ammonite condensed level [PDF]

open access: yes, 2012
The La Manga Formation constitutes most of the sedimentary record of the Callovian-Oxfordian in the Neuquén Basin. This stratigraphic unit represents the middle part of the Lotena Mesosequence, which is dominated by carbonates with interbedded shales ...
Bressan, Graciela Susana   +4 more
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Facies and depositional settings of the Middle Eocene-Oligocene carbonates in Kutch

open access: yesGeodinamica Acta, 2018
Middle Eocene Fulra Limestone and Oligocene Maniyara Fort Formation represent platform carbonate deposits of Kutch at the north-western margin of India.
Santanu Banerjee   +2 more
doaj   +1 more source

Characteristics of paleokarst processes and reservoir development of the middle Permian Maokou Formation in the Yuanba area,Sichuan Basin

open access: yesCarsologica Sinica
In recent years, the Maokou Formation of the middle Permian in the Yuanba area of Northwest Sichuan has consistently yielded high-flow industrial gas, indicating significant exploration potential for the Maokou Formation in this area.
Shaocong JI   +6 more
doaj   +1 more source

Bedrock Geology of Linn County, Iowa, October 1995 [PDF]

open access: yes, 1995
Map of the Cerro Gordo County with information of the ...

core  

Bedrock Geology of Linn County Iowa, February 1998 [PDF]

open access: yes, 1998
Map of the Cerro Gordo County with information of the ...

core  

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