Results 201 to 210 of about 90,092 (222)
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Population density and zoning of olivine phenocrysts in tholeiites from Kauai, Hawaii

Contributions to Mineralogy and Petrology, 1989
The population density of olivine phenocrysts of the tholeiites display an exponential variation, which is typical of igneous as well as contact metamorphic rocks. The exponential variation is explained by a new growth probability model, which is consistent with experimental work.
Maaløe, S., James, D., Tumyr, O.
openaire   +1 more source

Growth-induced Mg-Fe zoning in a skeletal olivine

Goldschmidt2022 abstracts, 2022
Bruna Ricardo   +3 more
openaire   +1 more source

Effects of Metastable Olivine on Negative Buoyance in Subduction Zones and their Dynamic Siganificance

Chinese Journal of Geophysics, 2001
AbstractWe calculated the negative buoyancy of subducting lithospheres based on numerical simulations of the temperature fields by means of 2‐D FEM. The values of the negative buoyancy increase with depth in depths of h < 400 km and h > 740 km. On the other hand, there is a decrease of negative buoyancy in depths of 660 to 740 km, because there ...
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Olivine zoning in high-Mg basalts of the Shiveluch volcano (Kamchatka)

2017
Shiveluch volcano located in northern Kamchatka erupted mainly high-Mg andesites during Holocene times. However, tephrochronologists found two Holocene tephra layers that are unusual for this volcano: a high-Mg middle-K basalts with an age of 7600 yr BP and high-Mg high-K basalt with an age of 3600 yr BP [Volynets et al, 1997].
Gordeychik Boris   +4 more
openaire  

Experimental study of Fe–Mg partitioning and zoning during rapid growth of olivine in Hawaiian tholeiites

Contributions To Mineralogy and Petrology, 2022
Thomas Shea, Adrien Mourey
exaly  

Linking fluid dynamics and olivine crystal scale zoning during simulated magma intrusion

Contributions To Mineralogy and Petrology, 2020
Fidel Costa   +2 more
exaly  

ZONING OF PHOSPHORUS AND OTHER MINOR ELEMENTS IN OLIVINE: AN EXPERIMENTAL STUDY

Geological Society of America Abstracts with Programs, 2017
Molly C. McCanta, John Beckett
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Chemical zoning of olivines in the Yamato-791717 CO3 chondrite

Antarctic meteorite research, 1997
Kaiden,Hiroshi   +3 more
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