The zircon archive of continent formation through time
NMW Roberts, CJ Spencer - 2015 - lyellcollection.org
The strong resilience of the mineral zircon and its ability to host a wealth of isotopic
information make it the best deep-time archive of Earth's continental crust. Zircon is found in …
information make it the best deep-time archive of Earth's continental crust. Zircon is found in …
Phanerozoic amalgamation of the Alxa Block and North China Craton: Evidence from Paleozoic granitoids, U–Pb geochronology and Sr–Nd–Pb–Hf–O isotope …
Abstract The North China Craton (NCC) has been considered to be part of the
supercontinent Columbia. The nature of the NCC western boundary, however, remains …
supercontinent Columbia. The nature of the NCC western boundary, however, remains …
Global variations in H2O/Ce: 1. Slab surface temperatures beneath volcanic arcs
LB Cooper, DM Ruscitto, T Plank… - Geochemistry …, 2012 - Wiley Online Library
We have calculated slab fluid temperatures for 51 volcanoes in 10 subduction zones using
the newly developed H2O/Ce thermometer. The slab fluid compositions were calculated …
the newly developed H2O/Ce thermometer. The slab fluid compositions were calculated …
Across-arc geochemical variations in the Southern Volcanic Zone, Chile (34.5–38.0 S): constraints on mantle wedge and slab input compositions
Crustal assimilation (eg Hildreth and Moorbath, 1988) and/or subduction erosion (eg Stern,
1991, Kay et al., 2005) are believed to control the geochemical variations along the northern …
1991, Kay et al., 2005) are believed to control the geochemical variations along the northern …
Global variations in H2O/Ce: 2. Relationships to arc magma geochemistry and volatile fluxes
DM Ruscitto, PJ Wallace, LB Cooper… - Geochemistry …, 2012 - Wiley Online Library
We compiled a data set of 100 primitive arc magma compositions from melt inclusion and
whole rock analyses to compare volatile contents, slab tracers, and calculated subduction …
whole rock analyses to compare volatile contents, slab tracers, and calculated subduction …
A quantitative framework for global variations in arc geochemistry
SJ Turner, CH Langmuir - Earth and Planetary Science Letters, 2022 - Elsevier
Arc magmas are generated by partial melting of a mantle wedge modified by inputs from
subducting sediment and igneous ocean crust. Despite this uniform tectonic process, global …
subducting sediment and igneous ocean crust. Despite this uniform tectonic process, global …
Sedimentary recycling in arc magmas: geochemical and U–Pb–Hf–O constraints on the Mesoproterozoic Suldal Arc, SW Norway
Abstract The Hardangervidda-Rogaland Block within southwest Norway is host to~ 1.52 to
1.48 Ga continental building and variable reworking during the~ 1.1 to 0.9 Ga …
1.48 Ga continental building and variable reworking during the~ 1.1 to 0.9 Ga …
Oxygen isotope trajectories of crystallizing melts: insights from modeling and the plutonic record
Elevated oxygen isotope values in igneous rocks are often used to fingerprint supracrustal
alteration or assimilation of material that once resided near the surface of the earth. The δ 18 …
alteration or assimilation of material that once resided near the surface of the earth. The δ 18 …
Crustal recycling by subduction erosion in the central Mexican Volcanic Belt
Recycling of upper plate crust in subduction zones, or 'subduction erosion', is a major
mechanism of crustal destruction at convergent margins. However, assessing the impact of …
mechanism of crustal destruction at convergent margins. However, assessing the impact of …
Volcanic plume impact on the atmosphere and climate: O-and S-isotope insight into sulfate aerosol formation
E Martin - Geosciences, 2018 - mdpi.com
The impact of volcanic eruptions on the climate has been studied over the last decades and
the role played by sulfate aerosols appears to be major. S-bearing volcanic gases are …
the role played by sulfate aerosols appears to be major. S-bearing volcanic gases are …