Zircon ages in granulite facies rocks: decoupling from geochemistry above 850 °C? [PDF]
Granulite facies rocks frequently show a large spread in their zircon ages, the interpretation of which raises questions: Has the isotopic system been disturbed? By what process(es) and conditions did the alteration occur?
A Boriani+120 more
core +2 more sources
Zircon: The Metamorphic Mineral
A mineral that forms under conditions as variable as diagenesis to deep subduction, melt crystallization to low temperature alteration, and that retains information on time, temperature, trace element and isotopic signatures is bound to be a useful petrogenetic tool. The variety of conditions under which zircon forms and reacts during metamorphism is a
Daniela Rubatto, Daniela Rubatto
openaire +4 more sources
The Osmium Isotope Signature of Phanerozoic Large Igneous Provinces
Exploring the links between Large Igneous Provinces and dramatic environmental impact
An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Alexander J. Dickson+2 more
wiley +12 more sources
Physico-chemical and mechanical properties of geopolymer/zircon composites [PDF]
The effect of zircon (ZrSiO4) on the physico-chemical and mechanical properties of geopolymer/zircon composites was examined in this study. Four geopolymer/zircon composites containing 10, 20, 30 and 40 wt.% zircon were prepared from metakaolin ...
Kljajević Ljiljana+6 more
doaj +1 more source
Mechanical Alloying Process Applied for Obtaining a New Biodegradable Mg-xZn-Zr-Ca Alloy
The aim of the present paper is to apply the mechanical alloying process to obtain from powder components a new biodegradable Mg-based alloy powder from the system Mg-xZn-Zr-Ca, with high biomechanical and biochemical performance.
Doina Raducanu+8 more
doaj +1 more source
Life cycle assessment comparison between zircon and alumina sand applied to ceramic tiles
The goal of the study is to assess and compare the use of opacifier (whitener) materials zircon sand and alumina applied in ceramic tiles production. This study provides a comparison using a cradle-to-gate life cycle assessment (LCA) approach, giving an ...
Andrea Morfino+3 more
doaj +1 more source
Interpretation of zircon coronae textures from metapelitic granulites of the Ivrea–Verbano Zone, northern Italy: two-stage decomposition of Fe–Ti oxides [PDF]
In this study, we report the occurrence of zircon coronae textures in metapelitic granulites of the Ivrea–Verbano Zone. Unusual zircon textures are spatially associated with Fe–Ti oxides and occur as (1) vermicular-shaped aggregates 50–200 µm long and
E. Kovaleva+3 more
doaj +1 more source
Mineralogical and geochemical characteristics of zircon from diorite porphyry dyke in Sergozerskoe gold occurrence (the Strel'ninsky greenstone belt, Kola region) [PDF]
Mineralogical and geochemical investigation of zircon from diorite porphyry from Sergozerskoe occurrence has been carried out. Study of morphology and inner structure of zircon crystals in back scattered electron rays as well as assaying for content and ...
Kudryashov N. M.+3 more
doaj +1 more source
A STUDY OF THE ZIRCONATES. [PDF]
n ...
Venable, F. P., Clarke, Thomas
openaire +2 more sources
Study on the Morphology of Zircon-bearing Epoxy Resin Surface and Its Effect for LA-ICP-MS Analysis
BACKGROUND Laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS) is currently one of the commonly used methods for zircon research. This method generally uses epoxy resin targets as carriers.
HU Zhi-zhong+4 more
doaj +1 more source