Journal ArticleDOI
Basalt weathering laws and the impact of basalt weathering on the global carbon cycle
TLDR
In this paper, the chemical weathering of basalts and the flux of carbon transferred from the atmosphere to the ocean during this major process at the surface of the Earth were investigated.About:
This article is published in Chemical Geology.The article was published on 2003-12-30. It has received 762 citations till now. The article focuses on the topics: Soil production function & Weathering.read more
Citations
More filters
Dissertation
Onderzoek naar de opslag van CO2 in minerale gesteenten
TL;DR: In this article, a literature review reveals that silicate minerals, such as olivine, forsterite or fayalite, offer the best potential for enhanced carbonation.
Journal ArticleDOI
Elemental Behavior during Weathering and Pedogenesis of Clay-Rich Red Soils Developed in Different Lithologies in Java–Madura and Sulawesi in Indonesia
TL;DR: In this paper , the authors used geochemical evidence, the migration coefficient and elemental ratios to ascertain the source of red soil materials and investigate the elemental behavior in tropical soils, finding that carbonate profiles were derived from in situ weathering, while basalt profiles, even though having close affinity to their bedrock, showed the contribution of external materials.
Geoquímica do sistema carbonático nas águas subterrâneas do sistema aquífero serra geral (sasg) em território brasileiro
TL;DR: The Sistema Aquifero Serra Geral (SASG) as mentioned in this paper is an extenso aquifero formado by rochas basalticas da formacao homonima, ocupando partes dos territorios do Brazil, Argentina, Paraguai and Uruguay.
Journal ArticleDOI
Investigation of PH effect in a mixture of basalt and iron on co2 sequestration in synthetic brines
TL;DR: In this article, the effect of iron in the pH of six synthetic brines prepared as analogue to oil-field brine was investigated by conducting a pH stability studies for CO2-brine experiment and CO2basalt brine experiment, and the results showed that synthetic brine prepared can be used as analogues to natural brines for carbon sequestration studies in terms of chemical composition and pH response.
Where is basalt in river sediments, and why does it matter?
TL;DR: In this article, trace element data as well as Nd, Hf and Pb isotopic compositions of sediments sampled at different water depths in the Ganges, Yamuna and Chambal Rivers draining the Deccan Traps basalts and the crystalline and sedimentary rocks from the Himalayan mountain range and the northern Indian shield are reported.
References
More filters
Journal ArticleDOI
Global silicate weathering and CO2 consumption rates deduced from the chemistry of large rivers
TL;DR: In this article, newly compiled data on the 60 largest rivers of the world are used to calculate the contribution of main lithologies, rain and atmosphere to river dissolved loads, and the relationship between the chemical weathering rates of silicates and the possible controlling parameters are explored.
Journal ArticleDOI
The carbonate-silicate geochemical cycle and its effect on atmospheric carbon dioxide over the past 100 million years
TL;DR: In this article, a computer model has been constructed that considers the effects on the CO/sub 2/ level of the atmosphere, and the Ca, Mg, and HCO/sub 3/ levels of the ocean, of the following processes: weathering on the continents of calcite, dolomite, and calcium-and-magnesium-containing silicates; biogenic precipitation and removal of CaCO 3/from the ocean; removal of Mg from the ocean via volcanic-seawater reaction; and the metamorphic-magmatic decarbon
Journal ArticleDOI
Tectonic forcing of late Cenozoic climate
TL;DR: In particular, tectonically driven increases in chemical weathering may have resulted in a decrease of atmospheric C02 concentration over the past 40 Myr as discussed by the authors. But this was not shown to be the case for the uplift of the Tibetan plateau and positive feedbacks initiated by this event.
Journal ArticleDOI
Geocarb III: A Revised Model of Atmospheric CO2 over Phanerozoic Time
TL;DR: In this article, the GEOCARB model has been updated with an emphasis on factors affecting CO2 uptake by continental weathering, including the role of plants in chemical weathering and the application of GCMs to study the long-term carbon cycle.
Journal ArticleDOI
A negative feedback mechanism for the long‐term stabilization of Earth's surface temperature
TL;DR: In this article, it is suggested that the partial pressure of carbon dioxide in the atmosphere is buffered, over geological time scales, by a negative feedback mechanism, in which the rate of weathering of silicate minerals (followed by deposition of carbonate minerals) depends on surface temperature, which in turn depends on the carbon dioxide partial pressure through the greenhouse effect.