Secular change in metamorphism and the onset of global plate tectonics

M Brown, T Johnson - American Mineralogist, 2018 - degruyter.com
On the contemporary Earth, distinct plate tectonic settings are characterized by differences in
heat flow that are recorded in metamorphic rocks as differences in apparent thermal …

Garnet: A rock-forming mineral petrochronometer

EF Baxter, MJ Caddick… - Reviews in Mineralogy …, 2017 - pubs.geoscienceworld.org
Garnet could be the ultimate petrochronometer. Not only can you date it directly (with an
accuracy and precision that may surprise some), but it is also a common rock-forming and …

[HTML][HTML] On ultrahigh temperature crustal metamorphism: Phase equilibria, trace element thermometry, bulk composition, heat sources, timescales and tectonic …

DE Kelsey, M Hand - Geoscience Frontiers, 2015 - Elsevier
Ultrahigh temperature (UHT) metamorphism is the most thermally extreme form of regional
crustal metamorphism, with temperatures exceeding 900° C. UHT crustal metamorphism is …

The nitrogen budget of Earth

B Johnson, C Goldblatt - Earth-Science Reviews, 2015 - Elsevier
We comprehensively compile and review N content in geologic materials to calculate a new
N budget for Earth. Using analyses of rocks and minerals in conjunction with N–Ar …

The role of inheritance in structuring hyperextended rift systems: Some considerations based on observations and numerical modeling

G Manatschal, L Lavier, P Chenin - Gondwana Research, 2015 - Elsevier
A long-standing question in Earth Sciences is related to the importance of inheritance in
controlling tectonic processes. In contrast to physical processes that are generally …

A matter of time: the importance of the duration of UHT metamorphism

SL Harley - Journal of Mineralogical and Petrological Sciences, 2016 - jstage.jst.go.jp
The duration of granulite (G) and ultra–high temperature (UHT) conditions in regional
metamorphism is critical to arguments regarding the tectonic settings of granulites and their …

Magma emplacement, differentiation and cooling in the middle crust: Integrated zircon geochronological–geochemical constraints from the Bergell Intrusion, Central …

KM Samperton, B Schoene, JM Cottle, CB Keller… - Chemical …, 2015 - Elsevier
U–Th–Pb zircon geochronology is an essential tool for quantifying the emplacement,
differentiation and thermal evolution of crustal magmatic systems. However, the power of U …

How long-lived is ultrahigh temperature (UHT) metamorphism? Constraints from zircon and monazite geochronology in the Eastern Ghats orogenic belt, India

FJ Korhonen, C Clark, M Brown, S Bhattacharya… - Precambrian …, 2013 - Elsevier
Along the coast of Peninsular India, the Eastern Ghats expose a deep crustal section
through a composite Proterozoic orogenic belt. To quantify the late Mesoproterozoic–early …

Recognizing remnants of magma-poor rifted margins in high-pressure orogenic belts: The Alpine case study

M Beltrando, G Manatschal, G Mohn, GV Dal Piaz… - Earth-Science …, 2014 - Elsevier
Magma-poor rifted margins are being increasingly recognized in present-day Atlantic-type
systems. However, findings of fossil areas floored by exhumed mantle or hyper-extended …

Shooting at a moving target: Phase equilibria modelling of high‐temperature metamorphism

VE Guevara, MJ Caddick - Journal of Metamorphic Geology, 2016 - Wiley Online Library
Thermodynamic modelling and calculation of P–T pseudosections are commonly employed
for quantifying the P–T evolution of metamorphic rocks. A key assumption involved in …