Activity–composition relations for the calculation of partial melting equilibria in metabasic rocks

ECR Green, RW White, JFA Diener… - Journal of …, 2016 - Wiley Online Library
A set of thermodynamic models is presented that, for the first time, allows partial melting
equilibria to be calculated for metabasic rocks. The models consist of new activity …

New mineral activity–composition relations for thermodynamic calculations in metapelitic systems

RW White, R Powell, TJB Holland… - Journal of …, 2014 - Wiley Online Library
New activity–composition (a–x) relations for minerals commonly occurring in metapelites are
presented for use with the internally consistent thermodynamic dataset of Holland & Powell …

Melting of peridotites through to granites: a simple thermodynamic model in the system KNCFMASHTOCr

TJB Holland, ECR Green, R Powell - Journal of Petrology, 2018 - academic.oup.com
ABSTRACT A new set of thermodynamic models is presented for calculating phase relations
in bulk compositions extending from peridotite to granite, from 0· 001 to 70 kbar and from …

A simple thermodynamic model for melting of peridotite in the system NCFMASOCr

ES Jennings, TJB Holland - Journal of Petrology, 2015 - academic.oup.com
A new thermodynamic model is presented for calculating phase relations in peridotite, from
0· 001 to 60 kbar and from 800° C to liquidus temperatures, in the system NCFMASOCr. This …

Clinopyroxene–liquid equilibria and geothermobarometry in natural and experimental tholeiites: the 2014–2015 Holuhraun eruption, Iceland

DA Neave, E Bali, GH Guðfinnsson… - Journal of …, 2019 - academic.oup.com
Clinopyroxene–liquid geothermobarometry is a widely used tool for estimating the
conditions under which mafic magmas are stored before they erupt. However, redox …

[HTML][HTML] Quantifying lithological variability in the mantle

O Shorttle, J Maclennan, S Lambart - Earth and Planetary Science Letters, 2014 - Elsevier
We present a method that can be used to estimate the amount of recycled material present
in the source region of mid-ocean ridge basalts by combining three key constraints:(1) the …

On parameterizing thermodynamic descriptions of minerals for petrological calculations

R Powell, RW White, ECR Green… - Journal of …, 2014 - Wiley Online Library
A new regularization approach, termed micro‐ϕ, is outlined for parameterizing activity–
composition (a–x) relations and other aspects of the thermodynamic descriptions of minerals …

HTLP metamorphism and fluid‐fluxed melting during multistage anatexis of continental crust (N Sardinia, Italy)

L Casini, M Maino, A Langone… - Journal of …, 2023 - Wiley Online Library
The Variscan high‐grade metamorphic basement of northern Sardinia and southern Corsica
record lower Carboniferous anatexis related to post‐collisional decompression of the …

New thermodynamic models and calculated phase equilibria in NCFMAS for basic and ultrabasic compositions through the transition zone into the uppermost lower …

TJB Holland, NFC Hudson, R Powell… - Journal of …, 2013 - academic.oup.com
Phase equilibria calculated with thermocalc for simplified mantle ultrabasic and basic bulk
compositions in Na2O–CaO–FeO–MgO–Al2O3–SiO2 (NCFMAS) at depths down to the …

Quantitative relationships between basalt geochemistry, shear wave velocity, and asthenospheric temperature beneath western North America

M Klöcking, NJ White, J Maclennan… - Geochemistry …, 2018 - Wiley Online Library
Abstract Western North America has an average elevation that is∼ 2 km higher than
cratonic North America. This difference coincides with a westward decrease in average …