Results 71 to 80 of about 7,709 (174)

Эклогиты Большого Кавказа (природа протолита и его геодинамическая типизация)

open access: yesГеология и геофизика Юга России, 2020
Актуальность работы. В структурно формационной зоне Передового хребта Большого Кавказа, в разрезах пород «балканской» и «лабарданской» свит встречаются тела эклогитов омфацит-гранатового состава с примесью амфибола, эпидота, цоизита и кианита.
В.М. Газеев   +2 more
doaj  

Evolution of the Paleo–Tethyan Ocean between the South China and Indochina Blocks: Insights from the Babu Ophiolite in Southwestern China [PDF]

open access: yesLithosphere
The Paleo–Tethyan Ocean in Southeast (SE) Asia is generally considered to be primarily represented by the Jinshajiang–Ailaoshan suture between the South China and Indochina Blocks.
Ning Huo   +6 more
doaj   +1 more source

ПАЛЕОГЕОДИНАМИЧЕСКИЕ РЕКОНСТРУКЦИИ И МИНЕРАГЕНИЯ РАННЕЮРСКОГО БАЗАЛЬТ-ГИПЕРБАЗИТОВОГО ФИАГДОНСКОГО КОМПЛЕКСА (РЕСПУБЛИКА СЕВЕРНАЯ ОСЕТИЯ-АЛАНИЯ, КАВКАЗ, РФ) ПО ПЕТРОХИМИЧЕСКИМ, ГЕОХИМИЧЕСКИМ И ИЗОТОПНЫМ ДАННЫМ

open access: yesГеология и геофизика Юга России, 2017
В статье приведены впервые полученные изотопно-геохимические данные, позволившие уточнить геодинамическую обстановку при образовании пород раннеюрского Фиагдонского комплекса (ФК).
А. Г. Гурбанов   +6 more
doaj  

УМЕРЕННОЩЕЛОЧНОЙ И ЩЕЛОЧНОЙ ВУЛКАНИЗМ РАННЕЭМССКОГО ВРЕМЕНИ НА ЮЖНОМ УРАЛЕ: ГЕОХИМИЧЕСКИЕ ОСОБЕННОСТИ И ГЕОДИНАМИЧЕСКИЕ РЕКОНСТРУКЦИИ

open access: yesЛитосфера, 2019
Проведен анализ особенностей распределения редких и редкоземельных элементов в умереннощелочных вулканических породах раннеэмсского возраста Магнитогорской мегазоны (Южный Урал) с целью их геодинамической интерпретации.

doaj  

Improved M-ORB based direct-loop closure detection algorithm for visual SLAM

open access: yes智能科学与技术学报, 2021
Most kinds of direct methods do not extract image feature points in the front end of SLAM system, resulting in that they cannot use loop closure detection with bag-of-words models to eliminate the cumulative error of the system.To resolve this problem ...
Wei LI   +4 more
doaj  

Density of MORB eclogite in the upper mantle,

open access: yesDensity of MORB eclogite in the upper mantle,
identifier:oai:t2r2.star.titech.ac.jp ...
  +3 more sources

Helium, argon, and xenon in crushed and melted MORB

open access: yesGeochimica et Cosmochimica Acta, 1997
Helium, argon, and xenon were measured in vesicles of MORB from a variety of locations and in sequential crushing steps in two locations. Melting extractions, compared to these data, indicate that most of the trapped radiogenic gases are contained in the glass matrix and that vesicle/glass equilibrium has not been reached.
openaire   +1 more source

Evaluation of genetic differences between two autochthonous Spanish cattle breeds

open access: yesItalian Journal of Animal Science
Genetic diversity was assessed in five subpopulations (Negra-MORB and Cárdena-MORC for Morucha breed; Jarda-JAR, Bociblanca-BOC, and Avileña-Negra Ibérica breed-ANI for Avileña Negra Ibérica main breed) belonging to two local Spanish cattle breeds ...
Paola E. Milia   +7 more
doaj   +1 more source

Pre-arc basement complex and overlying early island arc strata, Southwestern Puerto Rico: overview, geologic evolution, and revised data bases

open access: yesGeologica Acta, 2011
The pre-arc basement complex in southwestern Puerto Rico consists of rocks exposed in the Bermeja complex. The oldest rocks are highly serpentinized peridotites that occur in three belts (Monte del Estado, Río Guanajibo, and Sierra Bermeja).
E.G. LIDIAK, W.T. JOLLY, A. DICKIN
doaj  

Notes from the Field: Outbreak of Ebola Disease Caused by Bundibugyo Virus - Democratic Republic of the Congo and Uganda, May 2026. [PDF]

open access: yesMMWR Morb Mortal Wkly Rep
Zomahoun DL   +8 more
europepmc   +1 more source

Home - About - Disclaimer - Privacy