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中国地质大学科学技术发展院陈中强* 等 BGEG国家重点实验室. Earth-Science Reviews (2019), Biosedimentological features of major microbe-metazoan transitions (MMTs) from Precambrian to Cenozoic
地史时期；生物沉积；后生生物；微生物；过渡期
2021/10/20
近日，中国地质大学生物地质与环境地质国家重点实验室陈中强教授团队题为《从前寒武纪到新生代主要的微生物-后生动物过渡期的生物沉积特征》（Biosedimentological features of major microbe-metazoan transitions (MMTs) from Precambrian to Cenozoic）的学术论文在地学《Earth-Science Reviews...
Major deep carbon sink linked to microbes at volcanic island chains（图）
deep carbon sink microbes volcanic island chains
2019/11/22
As much as 19 percent more carbon dioxide than previously believed is removed naturally and stored deep underground in seafloor trenches near island chains of volcanoes, according to a study in the jo...
Topography of Teeth:Smithsonian Scientist Strengthens Tools To Track Animal,Ecosystem Responses to Major Environmental Changes
Topography of Teeth Smithsonian Scientist Strengthens Tools Track Animal Ecosystem Responses Environmental Changes
2016/11/29
By charting the slopes and crags on animals’ teeth as if they were mountain ranges, scientists at the Smithsonian’s National Museum of Natural History have created a powerful new way to lear...
Simultaneous determination of 58 major and trace elements in volcanic glass shards from the INTAV sample mount using femtosecond laser ablation-inductively coupled plasma-mass spectrometry
volcanic glass tephra LA-ICP-MS element abundance femtosecond lasert
2017/4/10
Four volcanic glass samples on the INternational focus group on Tephrochronology And Volcanism (INTAV) sample
mount described by Kuehn et al. (2011) were analyzed to establish a new methodology for m...
Major and trace element compositions and resource potential of ferromanganese crust at Takuyo Daigo Seamount, northwestern Pacific Ocean
Fe-Mn crust Takuyo Daigo Seamount northwestern Pacific Ocean resource potential evaluation
2017/4/10
We report major element and trace element compositions of ferromanganese crusts (Fe-Mn crusts) on Takuyo Daigo
Seamount, northwestern Pacific Ocean. Highly enriched elements in these crusts, such as ...
Major Storm Events Play Key Role In Biogeochemistry of Watersheds
Major Storm Biogeochemistry Watersheds
2016/2/22
A new Yale-led study offers a new conceptual framework for understanding the biogeochemistry of watersheds. The framework combines hydrologic and biogeochemical theory to test well established concept...
Dating historic activity at Oso site shows recurring major landslides
Alison Duvall College of the Environment David Montgomery Department of Earth and Space Sciences geology landslide
2016/1/4
The large, fast-moving mudslide that buried much of Oso, Washington in March 2014 was the deadliest landslide in U.S. history. Since then it’s been revealed that this area has experienced major slides...
Simple relationship between 26Al production rate and major elemental composition of meteorite samples
production rate 26Al terrestrial age howardite eucrite
2017/4/11
Estimation of 26Al (half-life = 705 kyr) content at the time of meteorite fall is required to calculate the terrestrial age
of meteorites using the 26Al content. Previous studies (e.g., Cressy, 1971;...
Research on the Niche of Major Plant Population of the Barren Hillsides in the Arid Valley of the Upper Reach of the Minjiang River
Arid Valley Barren Hillsides Major Plant Population Niche Breadth Niche Overlap Upper Reach of the Minjiang River
2011/12/20
The niche breadths and niche overlaps of Selaginella pulvinata and of other several main species of the herbaceous layer were measured at the barren hillsides in the arid valley of the upper reach of ...
The development of whole rock analysis of major and trace elements in XRF glass beads by fsLA-ICPMS in GSJ geochemical reference samples
bulk chemistry major and trace elements glass beads
2017/4/12
Using laser-ablation inductively coupled plasma mass spectrometer (LA-ICPMS), we have improved the reliability of
the abundance data for trace-elements in geochemical samples using a glass bead ablat...
Evaporite mineralogy and major element geochemistry as tools for palaeoclimatic investigations in arid regions: A synthesis
Tropical deserts evaporite minerals geochemistry synthesis
2011/11/11
This paper presents a synthesis of the applications of evaporite mineralogy and the relationship between major elements for the
palaeoclimatological research of arid regions, with examples from Playa...
Comprehensive analysis for major, minor and trace element contents and Sr-Nd-Pb-Hf isotope ratios in sediment reference materials, JSd-1 and MAG-1
Sediment standard JSd-1 MAG-1 trace elements Sr-Nd-Pb-Hf isotope ratios
2017/8/9
In view of the requirement of a well-characterized and easily available aquatic sediment reference material, a comprehensive analysis comprising of fifty major, minor and trace elements as well as Sr-...
Constraints on the Origin of the Balıkesir Thermal Waters (Turkey) from Stable Isotope (d18O, dD, d13C, d34S) and Major-Trace Element Compositions
water-rock interaction stable isotope compositions major-trace element geochemistry Balı kesir thermal waters Turkey
2009/7/7
The Balıkesir thermal waters in northwestern Turkey have discharge temperatures in the range of 31.8-98.5 ºC, near neutral pH values of 6.40 to 8.40 and TDS contents between 327 and 2578 mg/...
Comparative Study of the Mobility of Major and Trace Elements During Alteration of an Andesite and a Rhyolite to Bentonite, in the Islands of Milos and Kimolos, Aegean, Greece
Alteration Andesite Bentonite Element Mobilization Mordenite Phosphates REE Fractionation Residual Enrichment Rhyolite Smectite Water:Rock Ratio
2011/12/8
Abstract: Progressive alteration by seawater of an andesite in the Aegean Island of Milos and an ignimbrite in the Aegean Island of Kimolos, Greece, formed bentonites with or without zeolites. Both pr...
Unequilibrated eucrites and the equilibrated Juvinas eucrite: Pyroxene REE systematics and major, minor, and trace element zoning
eucrites Juvinas eucrite Pyroxene REE systematics major minor trace element zoning
2012/4/9
In unequilibrated eucrites, pyroxene is a sensitive recorder of variables that affect their crystallization histories. Therefore, major,minor,and trace element systematics of pyrox-ene wereevaluated f...