Results 31 to 40 of about 424 (186)

A possible 5 km wide impact structure with associated 22 km wide exterior collapse terrain in the Alhabia–Tabernas Basin, southeastern Spain

open access: yesMeteoritics &Planetary Science, Volume 58, Issue 10, Page 1512-1539, October 2023., 2023
Abstract The Tabernas–Alhabia Basin is a structural depression situated in the province of Almería, southeastern Spain. The basin is filled with Neogene, Pliocene, and Pleistocene sediments resting discordantly on a Paleozoic metamorphic basement. During the marine Tortonian sedimentation, a bed of breccia (Gordo megabed) was formed.
Sebastián Tomás Sánchez Gómez   +6 more
wiley   +1 more source

Twinned calcite as an indicator of high differential stresses and low shock pressure conditions during impact cratering

open access: yesMeteoritics &Planetary Science, Volume 58, Issue 9, Page 1287-1305, September 2023., 2023
Abstract Shock‐related calcite twins are characterized in calcite‐bearing metagranite cataclasites within crystalline megablocks of the Ries impact structure, Germany, as well as in cores from the FBN1973 research drilling. The calcite likely originates from pre‐impact veins within the Variscan metagranites and gneisses, while the cataclasis is due to ...
Lina Seybold   +6 more
wiley   +1 more source

Metallogeny of the Lyapinsky megablock (Subpolar Urals)

open access: yesNEWS of the Ural State Mining University, 2021
Purpose of the work: elucidation of the geological structure, manifestations of magmatism, geodynamics and metallogeny of one of the largest segments of the paleocontinental sector of the Lyapin megablock in the Urals. The peculiarity of the metallogenic specialization of the latter for uranium, thorium, rare metals, gold, optical quartz caused both ...
openaire   +1 more source

Chinese megablock urbanism

open access: yesProceedings of the 55th ISOCARP World Planning Congress, 2019
In what way can the study of megablock typologies in the PRD deliver better insight in terms of process and scales of Chinese urbanization? In the Chinese context, the ‘collective’ has stood central to its urbanisms and processes of urbanization (Lu, 2006).
Yixuan Peng, Gerhard Bruyns, Darren Nel
openaire   +1 more source

Transparent Trace-Based Binary Acceleration for Reconfigurable HW/SW Systems [PDF]

open access: yes, 2013
This paper presents a novel approach to accelerate program execution by mapping repetitive traces of executed instructions, called Megablocks, to a runtime reconfigurable array of functional units.
João Canas Ferreira   +3 more
core   +1 more source

The Lapland greenstone belt: Stratigraphic and depositional features in northern Finland [PDF]

open access: yesBulletin of the Geological Society of Finland, 1987
The Lapland greenstone belt formed in a continental environment, as a result of rifting of the 3.1—3.0 Ga Saamian craton. The basin subsided to a depth of five kilometres between 3.0—2.5 Ga and contains a sequence which is subdivided into Lower, Middle ...
M. Saverikko
doaj   +1 more source

Inhomogeneities of the earth’s crust of the Aldan-Stanovoy shield along the 3-DV profile (Eastern Siberia, Russia

open access: yesГеофизический журнал, 2021
Profile 3-DV (Skovorodino-Tommot) crosses in the sublatitudinal direction the Stanovoy and Aldan megablocks of the Aldan-Stanovoy shield. As the basic elements of the Earth’s crust section along the profile 3-DV, a technique was adopted for identifying ...
V. V. Stogny, G. A. Stogny
doaj   +1 more source

Three-dimensional geoelectrical model of the central part of the Zvizdal-Zaliska and Brusyliv fault zones of the Ukrainian Shield

open access: yesГеофизический журнал, 2023
To study the deep structure of the geoelectrically complex junction zone of three megablocks of the western part of the Ukrainian Shield (Volyn', Podil, and Ros'), a three-dimensional model of the central part of the Zvizdal-Zaliska and Brusyliv fault ...
T.K. Burakhovych   +2 more
doaj   +1 more source

Deep structure of the earth's crust in the area of the Krivoy Rog structure according to geological and geophysical data and the influence of the technogenic factor on the manifestation of local seismicity

open access: yesГеофизический журнал, 2013
Peculiarities of the Earth's crust structure in the area of the Krivoi Rog and Kremenchug suture zone located on the border of two megablocks of the Ukrainian Shield have been analyzed. The data obtained as a result of the SG-8 Krivoi Rog super-deep well
V. V. Kutas   +2 more
doaj   +1 more source

Geochemical Characteristic of Metabasites of Greenstone's Komatiite-Basalt Association of the Middle-Dnieper and Per-Azov Megablocks of the Ukrainian Shield [PDF]

open access: yes, 2009
Выполнено геохимическое изучение метабазитов коматиит-базальтовой ассоциации зеленокаменных структур Среднеприднепровского и Приазовского мегаблоков Украинского щита. Выявлено, что в тектонических зонах они в значительной мере изменены постмагматическими
Самборская, И.А.   +2 more
core   +2 more sources

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