Kinetic model of nucleation and growth in silicate melts: Implications for igneous textures and their quantitative description

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11310%2F14%3A10283312" target="_blank" >RIV/00216208:11310/14:10283312 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1016/j.gca.2014.01.022" target="_blank" >http://dx.doi.org/10.1016/j.gca.2014.01.022</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.gca.2014.01.022" target="_blank" >10.1016/j.gca.2014.01.022</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Kinetic model of nucleation and growth in silicate melts: Implications for igneous textures and their quantitative description

Popis výsledku v původním jazyce

We present a new high-resolution numerical model for the simulation of crystallization and texture evolution using arbitrary rates of crystal nucleation and growth. The algorithm models single or multiphase solidification in a three-dimensional domain and 17 simulations using constant, linearly increasing, exponential, and Gaussian functions for the rates of nucleation and growth yield equigranular to seriate textures. Conventional crystal size distributions of all textures are nearly linear to concave-down (previously interpreted as formed by equilibration coarsening), and identical distribution patterns can result from multiple non-unique combinations of nucleation and growth rates. The clustering index is always a non-monotonous function, which initially increases then decreases with increasing crystal fraction. For texture from random homogeneous nucleation the index is substantially lower than previous predictions based on a random sphere distribution line, hence, natural samples

Název v anglickém jazyce

Kinetic model of nucleation and growth in silicate melts: Implications for igneous textures and their quantitative description

Popis výsledku anglicky

We present a new high-resolution numerical model for the simulation of crystallization and texture evolution using arbitrary rates of crystal nucleation and growth. The algorithm models single or multiphase solidification in a three-dimensional domain and 17 simulations using constant, linearly increasing, exponential, and Gaussian functions for the rates of nucleation and growth yield equigranular to seriate textures. Conventional crystal size distributions of all textures are nearly linear to concave-down (previously interpreted as formed by equilibration coarsening), and identical distribution patterns can result from multiple non-unique combinations of nucleation and growth rates. The clustering index is always a non-monotonous function, which initially increases then decreases with increasing crystal fraction. For texture from random homogeneous nucleation the index is substantially lower than previous predictions based on a random sphere distribution line, hence, natural samples

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

DB - Geologie a mineralogie

OECD FORD obor

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Projekt

<a href="/cs/project/GAP210%2F12%2F0986" target="_blank" >GAP210/12/0986: Termodynamika a kinetika látkového přenosu, krystalizace a vývoje textur v magmatických a hydrotermálních systémech</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2014

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Geochimica et Cosmochimica Acta

ISSN

0016-7037

e-ISSN

—

Svazek periodika

131

Číslo periodika v rámci svazku

April

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

20

Strana od-do

164-183

Kód UT WoS článku

000333330100012

EID výsledku v databázi Scopus

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