Results 51 to 60 of about 75,256 (359)

A study of radioactive elements of various rocks in Pattani Province with gamma ray spectrometer [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2002
The radioactivity of the three elements, potassium, uranium and thorium, in rocks of various types in Pattani Province was investigated by using a gamma ray spectrometer.
Kaewtubtim, P.   +2 more
doaj  

Quantitative Elimination of Seismic Pseudofaults and Fine Analysis of True Faults Underlying Igneous Rocks of No-Well Areas: A Case Study of Shuntuoguole Uplift in Tarim Basin [PDF]

open access: yesLithosphere
After multistage tectonic movement and evolution, large superimposed oil and gas basins generally developed many igneous rocks in the early rifting stages.
Ziran Jiang   +3 more
doaj   +1 more source

Truncating Variants in RREB1 Cause a Novel RASopathy Syndrome of Congenital Heart Disease, Genitourinary Malformations, and Developmental Delay

open access: yesAmerican Journal of Medical Genetics Part A, EarlyView.
ABSTRACT The interstitial 6p microdeletion syndrome is characterized by dysmorphic facies and structural heart, kidney, brain, and musculoskeletal differences. RREB1 haploinsufficiency and consequent abnormal RAS‐MAPK pathway signaling have been proposed as a driver of the disease phenotype; however, apart from a single case report, the phenotype of ...
Alanna Strong   +16 more
wiley   +1 more source

The Use of Andesite Rocks in the Hindu-Buddhist Kingdoms in Indonesia

open access: yesYupa: Historical Studies Journal
This research aims to explain the reasons for choosing andesite igneous rock as building material from Hindu-Buddhist kingdoms. The research method in this article uses four stages of historical research, namely; heuristic techniques, source criticism ...
Yulian Saputra   +2 more
doaj   +1 more source

Provenance of sandstone layered in Injana Formation from Zawita and Dekala areas Northern of Iraq

open access: yesTikrit Journal of Pure Science, 2023
To interpret the provenance 0f Injana Formation,  20 sandstone samples of Injana Formation were collected  from Zawita and Dekala areas north Iraq (10 for each sections ), then  thin section have been done sildes.
Sarah A. Al-Ameri, Lafta S. Kadhim
doaj   +1 more source

Early Cambrian U-Pb zircon age and Hf-isotope data from the Guasayán pluton, Sierras Pampeanas, Argentina: implications for the northwestern boundary of the Pampean arc [PDF]

open access: yes, 2016
An Early Cambrian pluton, known as the Guasayán pluton, has been identified in the central area of Sierra de Guasayán, northwestern Argentina. A U?Pb zircon Concordia age of 533 ± 4 Ma was obtained by LA-MC-ICP-MS and represents the first report of ...
Alasino, Pablo Horacio   +8 more
core   +2 more sources

The Origin of the Feedstock Molecules for Life on the Hadean Earth

open access: yesAngewandte Chemie International Edition, EarlyView.
The origin of life in the Hadean eon required the formation of amino acids and nucleosides among the key molecules of life. In an often postulated strongly reducing atmosphere, HCN and its derivatives are robustly formed as plausible starting molecules. But HCN does not form in a Hadean, weakly reducing atmosphere.
Nikolai Diukarev   +6 more
wiley   +1 more source

The Mountain Pass Rare-Earth Deposits [PDF]

open access: yes, 1954
Rare-earth minerals were discovered near Mountain Pass in northeastern San Bernardino County, Calif., in April 1949, and in the following year the Sulphide Queen carbonate body was found.
Olson, J. C., Pray, L. C.
core  

Bending performance changes during prolonged canine eruption in saber‐toothed carnivores: A case study of Smilodon fatalis

open access: yesThe Anatomical Record, EarlyView.
Abstract The canine of saber‐toothed predators represents one of the most specialized dental structures known. Hypotheses about the function of hypertrophied canines range from display and conspecific interaction, soft food processing, to active prey acquisition.
Z. Jack Tseng
wiley   +1 more source

Identification of potential groundwater sources using Electrical Resistivity Imaging (ERI) method in Jambu Lawar, Machang, Kelantan [PDF]

open access: yesBIO Web of Conferences
The study area is primarily composed of volcanic rock and plain quaternary sediment. Extrusive and intrusive rocks are the two varieties of igneous rock that have been found. In the examined location, igneous intrusive rock, specifically biotite granite,
Sulaiman Noorzamzarina   +3 more
doaj   +1 more source

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