Results 11 to 20 of about 92,035 (266)

Pressure‐Induced sp 2 ‐sp 3 Transitions in Carbon‐Bearing Phases

open access: yesGeophysical Monograph Series, Page 1-9., 2020

This book is Open Access. A digital copy can be downloaded for free from Wiley Online Library.

Explores the behavior of carbon in minerals, melts, and fluids under extreme conditions

Carbon trapped in diamonds and carbonate-bearing rocks in subduction zones are examples of the continuing exchange of substantial carbon ...
Sergey S. Lobanov   +1 more
wiley  

+13 more sources

Marine Anoxia and Ocean Acidification During the End‐Permian Extinction

open access: yesGeophysical Monograph Series, Page 325-340., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Ying Cui   +4 more
wiley  

+8 more sources

Controls on Cyclic Formation of Quaternary Early Diagenetic Dolomite [PDF]

open access: yes, 2018
The origin of sedimentary dolomite and the factors that control its formation within the geological record remain speculative. In most models, dolomite formation is linked to evaporative conditions, high water temperature, increasing Mg/Ca ratio ...
Bontognali, T. R. R.   +3 more
core   +2 more sources

Ca-looping for postcombustion CO2 capture: A comparative analysis on the performances of dolomite and limestone [PDF]

open access: yes, 2015
The low cost and wide availability of natural limestone (CaCO3) is at the basis of the industrial competitiveness of the Ca-looping (CaL) technology for postcombustion CO2 capture as already demonstrated by ~1Mwt scale pilot projects.
Pérez Maqueda, Luis Allan   +2 more
core   +1 more source

Discriminating cool-water from warm-water carbonates and their diagenetic environments using element geochemistry: the Oligocene Tikorangi Formation (Taranaki Basin) and the dolomite effect [PDF]

open access: yes, 2004
Fields portrayed within bivariate element plots have been used to distinguish between carbonates formed in warm- (tropical) water and cool- (temperate) water depositional settings.
Al‐Aasm I. S.   +14 more
core   +2 more sources

The role of limestone and dolomite tailings’ particle size in retention of heavy metals from liquid waste [PDF]

open access: yes, 2008
Purpose. The study aims at investigating the role of particle size of mineral tailings derived from limestone, limestone marble, dolomite and dolomitic marble in heavy metal adsorption, in both batch and fixed bed conditions, so as to estimate whether ...
Albadarin   +26 more
core   +1 more source

First discovery of dolomite and magnesite in living coralline algae and its geobiological implications [PDF]

open access: yesBiogeosciences, 2011
Dolomite is a magnesium-rich carbonate mineral abundant in fossil carbonate reef platforms but surprisingly rare in modern sedimentary environments, a conundrum known as the "Dolomite Problem".
M. C. Nash   +5 more
doaj   +1 more source

Evidence of microbial activity from a shallow water whale fall (Voghera, northern Italy) [PDF]

open access: yes, 2012
The fossil bones, associated carbonate cements and enclosing concretion of a Miocene mysticete from inner shelf deposits (Monte Vallassa Formation, northern Italy) were analyzed for evidence of microbial activity. Optical and scanning electron microscopy,
Cavalazzi, B   +5 more
core   +4 more sources

Frictional Instabilities and Carbonation of Basalts Triggered by Injection of Pressurized H2O- and CO2- Rich Fluids [PDF]

open access: yes, 2018
The safe application of geological carbon storage depends also on the seismic hazard associated with fluid injection. In this regard, we performed friction experiments using a rotary shear apparatus on precut basalts with variable degree of hydrothermal ...
Alfredsson   +54 more
core   +4 more sources

Effect of impurities and sintering temperature on properties of MgO-CaZrO3 ceramic [PDF]

open access: yes, 2013
CaZrO3 -MgO ceramics are useful as refractories in kilns for the cement production. One method of manufacture of such ceramics is by sintering from m-ZrO2 and dolomite MgCa(CO3 )2 mixtures. In this work electrofused m-ZrO2 grains (fraction
Aglietti, Esteban Fausto   +2 more
core   +2 more sources

Home - About - Disclaimer - Privacy