Results 71 to 80 of about 3,074 (215)

Alkaline mineral addition to anoxic to hypoxic Baltic Sea sediments as a potentially efficient CO2-removal technique

Frontiers in Climate
Recent studies have begun to explore the potential of enhanced benthic weathering (EBW) in the Baltic Sea as a measure for climate change mitigation. To augment the understanding of EBW under seasonally changing conditions, this study aims to investigate
Michael Fuhr, Klaus Wallmann, Andrew W. Dale, Habeeb Thanveer Kalapurakkal, Mark Schmidt, Stefan Sommer, Christian Deusner, Timo Spiegel, Jannes Kowalski, Sonja Geilert, Sonja Geilert   +10 more
doaj   +1 more source

Alkalinity production and carbon capture from dunite weathering: Individual effects of oxalate, citrate, and EDTA saltsMost of the data is available as supplementary. All data can be found in .

Chemical Engineering Journal Advances
Carbon dioxide mitigation and capture technologies are crucial to keeping global warming within safe limits. Silicate weathering offers a nature-based approach for stable, long-term carbon sequestration through technologies like Carbon Capture and ...
Harun Niron, Tullia Calogiuri, Abhijeet Singh, Anna Neubeck, Michiel Van Tendeloo, Tom Cox, Jens Hartmann, Siegfried E. Vlaeminck, Sara Vicca   +8 more
doaj   +1 more source

Genesis of Chromitite in Qalander Area, Northern Iraq [PDF]

Kirkuk Journal of Science, 2006
The study area is an isolated ultramafic complex composite of harzburgite-dunite-chromitite association in Qalander area, abut 10 km east of Mergesur, Erbil City, northern Iraq.
doaj   +1 more source

Whole Rock Geochemistry and Petrography of Pyroxenite Veins within Cumulate Dunite, Mawat Ophiolite: Implication for Classification and Petrogenesis, Kurdistan Region, NE Iraq

Iraqi Geological Journal
The Mawat ophiolite is situated in the Kurdistan region of Iraq. Pyroxenite veins are crossed cut ultramafic Mawat ophiolite. Petrographic study and new geochemical data suggest that Pyroxenite veins in ultramafic units can be classified into ...
Darun Majeed, Irfan Yara
doaj   +1 more source

Experimental annealing of a natural dunite

Bulletin de Minéralogie, 1979
Samples cut from a natural dunite were annealed at 1,100-1,700° C for o., 1-2,000 hours, at atmospheric pressure and under controlled oxygen fugacity. The evolution of free dislocation density and (100) tilt walls spacing was studied. Several recovery mechanisms have been observed.
openaire   +2 more sources

Benthic weathering of calcite and dunite in benthocosm experiments between Sept. 2022 and Sept. 2023

Enhanced benthic weathering has been proposed to serve as a efficient negative emission strategy. The precise weathering behaviour of calcite and dunite was investigated in long-term experiments in benthocosms.
Fuhr, Michael, Kalapurakkal, Habeeb Thanveer, Sommer, Stefan, Perner, Mirjam, Geilert, Sonja, Dale, Andy W, Schmidt, Mark, Spiegel, Timo, Bährle, Rebecca, Wallmann, Klaus, Buchholz, Björn   +10 more
core   +1 more source

Enhanced weathering and biochar co-deployment boosts CO2 sequestration through changing soil properties

Geoderma
Enhanced rock weathering (ERW) and biochar are potentially effective and scalable options for large-scale carbon dioxide removal (CDR), required to limit global temperature rise to 1.5 °C.
Emily E.E.M. te Pas, Rob N.J. Comans, Sarai Bisseling, Mathilde Hagens   +3 more
doaj   +1 more source

Studies on genesis of chromite and PGE in Naein ophiolite melange

Journal of Economic Geology, 2012
Nain ophiolite melange is located 140 Km east of Isfahan. Based on the geological studies, this area belongs to Mesozoic ophiolite of Urumieh – Dokhtar zone, west of central Iran. Country rocks are pridotite and serpentinized pridotite.
Reza Shamsipour Dehkordi, Maryan Sadeghi, Zohreh Gholami Fesharaki   +2 more
doaj   +1 more source

Potassium retention by basic mineral (dunite) in blast furnace process

, 2020
The presence of alkalis in the blast furnace has a negative effect on its efficient functioning. The present investigation studies the use of a basic mineral, dunite (composed mainly of magnesium silicates), as an agent for the removal of alkalis.
Fierro, José L.G., Larrea, María Teresa, Formoso Prego, Antonio, Cores Sánchez, A., López Gómez, Félix Antonio   +4 more
core  

Corrigendum to “Sulfide in dunite channels reflects long-distance reactive migration of mid-ocean-ridge melts from mantle source to crust: A Re-Os isotopic perspective” [Earth Planet. Sci. Lett. 531 (2020) 115969]

, 2020
International audienceThe authors regret two errors within the Oman dunite samples, these should be corrected as ...
Xu, Yong, Griffin, William, L, O'Reilly, Suzanne, y, O'Reilly, Suzanne Y., Xiong, Qing, Griffin, William L., González-Jiménez, José, Liu, Jingao, Zheng, Jian-Ping, Alard, Olivier, Gonzalez-Jimenez, Jose M.   +10 more
core   +1 more source