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The Noble Gases as Geochemical Tracers

Author: Pete Burnard

Publisher: Springer Science & Business Media

Published: 2012-12-15

Total Pages: 390

ISBN-13: 3642288367

The twelve chapters of this volume aim to provide a complete manual for using noble gases in terrestrial geochemistry, covering applications which range from high temperature processes deep in the Earth’s interior to tracing climatic variations using noble gases trapped in ice cores, groundwaters and modern sediments. Other chapters cover noble gases in crustal (aqueous, CO2 and hydrocarbon) fluids and laboratory techniques for determining noble gas solubilities and diffusivities under geologically relevant conditions. Each chapter deals with the fundamentals of the analysis and interpretation of the data, detailing sampling and sampling strategies, techniques for analysis, sources of error and their estimation, including data treatment and data interpretation using recent case studies.

Noble Gases as Geochemical Tracers of Earth's Dynamic and Evolution

Author: Antonio Caracausi

Publisher:

Published: 2019

Total Pages: 0

ISBN-13:

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In my project, I used the nobles gases (He, Ne, Ar, Kr and Xe) to investigate natural processes occurring in different geodynamical contexts (i.e., subduction, continental collision, rifting), showing how the use of the noble gases is fundamental to constrain the origin of volatiles, and to investigate the Earth interior. Furthermore, I also used these volatiles to recognize the processes (water-gas-rock interaction) that occur during the fluids up rise from the Earth's interior to the atmosphere and quantitatively constrain the extents of these processes. The results of my project are summarized in five main topics: 1) Insights into the degassing history of Earth's mantle from high precision noble gas analysis of magmatic gas 2) Noble Gas and Carbon Isotope Systematics at the Seemingly Inactive Ciomadul Volcano (Romania): Evidence for Volcanic Degassing 3) Mantle-Derived Fluids in the East Java Sedimentary Basin, Indonesia 4) Outgassing of Mantle Volatiles in Compressional Tectonic Regime Away From Volcanism: The Role of Continental Delamination 5) Continental degassing of helium in an active tectonic setting (northern Italy): the role of seismicity.

Atmospheric Noble Gases As Geochemical Tracers In The Earth System

Author: Benjamin Birner

Publisher:

Published: 2020

Total Pages: 178

ISBN-13:

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Measurements of noble gas in the atmosphere are a powerful tool to study natural and anthropogenic changes in the Earth system. The chemically inert nature of noble gases means that they are only impacted by physical processes, greatly simplifying the interpretation of observations. Furthermore, fast atmospheric mixing intrinsically integrates global signals on time scales beyond one year allowing local records to capture global changes. Air samples can be obtained in a variety of ways including directly from the atmosphere, from reservoirs intentionally archived by humans, or from small bubbles trapped naturally in ancient ice, enabling the reconstruction of atmospheric changes over a wide range of timescales. However, atmospheric noble gas measurements are challenging because the signals we chase are often small, and analytical methods are still being developed and improved upon. In four chapters, this dissertation aims to deepen our understanding of noble gases as geochemical tracers and highlights new methods and applications of noble gas analyses. Chapter 1 explores the processes that cause small offsets between atmospheric air and air preserved in ice using a 2-D numerical model of air transport through snow. Chapter 2 demonstrates a connection between atmospheric circulation in the upper atmosphere and the in-situ argon-to-nitrogen (Ar/N2) ratio using samples collected by aircraft. Chapter 3 introduces a novel mass spectrometric technique for the precise measurement of small changes in the atmospheric helium abundance and outlines potential scientific applications. Finally, Chapter 4 builds on Chapter 3 and presents the first record of an atmospheric helium build-up which can be linked directly to anthropogenic fossil fuel activity.

Noble Gases

Author: Donald P. Porcelli

Publisher: Walter de Gruyter GmbH & Co KG

Published: 2018-12-17

Total Pages: 864

ISBN-13: 1501509055

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Volume 47 of Reviews in Mineralogy and Geochemistry introduces to Noble Gases. Although the mass spectrometry principles are not complex, the tricks involved in getting better data are often self taught or passed on by working with individuals who themselves are pushing the boundaries further. Furthermore, much of the exciting new science is linked with technical developments that allow us to move beyond the current measurement capabilities. Be they better crushing devices, laser resonance time of flight, multiple collection or compressor sources - the technical issues are central to progress. Contents: Noble Gases – Noble Science An Overview of Noble Gas Geochemistry and Cosmochemistry Noble Gases in the Solar System Noble Gases in the Moon and Meteorites: Radiogenic Components and Early Volatile Chronologies Cosmic-Ray-Produced Noble Gases in Meteorites Martian Noble Gases Origin of Noble Gases in the Terrestrial Planets Noble Gas Isotope Geochemistry of Mid-Ocean Ridge and Ocean Island Basalts: Characterization of Mantle Source Reservoirs Noble Gases and Volatile Recycling at Subduction Zones The Storage and Transport of Noble Gases in the Subcontinental Lithosphere Models for the Distribution of Terrestrial Noble Gases and the Evolution of the Atmosphere Production, Release and Transport of Noble Gases in the Continental Crust Tracing Fluid Origin, Transport and Interaction in the Crust Noble Gases in Lakes and Ground Waters Noble Gases in Ocean Waters and Sediments Cosmic-Ray-Produced Noble Gases in Terrestrial Rocks: Dating Tools for Surface Processes K-Ar and Ar-Ar Dating (U-Th)/He Dating: Techniques, Calibrations, and Applications

Noble Gas Geochemistry

Author: Minoru Ozima

Publisher: Cambridge University Press

Published: 2002

Total Pages: 302

ISBN-13: 0521803667

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Treatise on Geochemistry

Author:

Publisher: Newnes

Published: 2013-10-19

Total Pages: 14787

ISBN-13: 0080983006

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This extensively updated new edition of the widely acclaimed Treatise on Geochemistry has increased its coverage beyond the wide range of geochemical subject areas in the first edition, with five new volumes which include: the history of the atmosphere, geochemistry of mineral deposits, archaeology and anthropology, organic geochemistry and analytical geochemistry. In addition, the original Volume 1 on "Meteorites, Comets, and Planets" was expanded into two separate volumes dealing with meteorites and planets, respectively. These additions increased the number of volumes in the Treatise from 9 to 15 with the index/appendices volume remaining as the last volume (Volume 16). Each of the original volumes was scrutinized by the appropriate volume editors, with respect to necessary revisions as well as additions and deletions. As a result, 27% were republished without major changes, 66% were revised and 126 new chapters were added. In a many-faceted field such as Geochemistry, explaining and understanding how one sub-field relates to another is key. Instructors will find the complete overviews with extensive cross-referencing useful additions to their course packs and students will benefit from the contextual organization of the subject matter Six new volumes added and 66% updated from 1st edition. The Editors of this work have taken every measure to include the many suggestions received from readers and ensure comprehensiveness of coverage and added value in this 2nd edition The esteemed Board of Volume Editors and Editors-in-Chief worked cohesively to ensure a uniform and consistent approach to the content, which is an amazing accomplishment for a 15-volume work (16 volumes including index volume)!

Isotope Geochemistry

Author: Heinrich D Holland

Publisher: Academic Press

Published: 2010-09-27

Total Pages: 750

ISBN-13: 0080967116

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After the discovery that elements were commonly composed of isotopes, there developed a range of studies of the variability of isotopic compositions in Earth materials, which was able to add to our understanding of Earth processes and history. This collection of chapters from the Treatise on Geochemistry describes the range of isotopic studies. The chapters are grouped into the following categories: light stable isotopes, radiogenic tracers, noble gases and radioactive tracers. The first three groups depend on mass spectrometric measurements. The section on radioactive tracers employs both radioactive counting techniques and the newly developed accelerator mass spectrometric techniques. Comprehensive, interdisciplinary and authoritative content selected by leading subject experts Robust illustrations, figures and tables Affordably priced sampling of content from the full Treatise on Geochemistry

Environmental Tracers

Author: Trevor Elliot

Publisher: MDPI

Published: 2018-10-08

Total Pages: 1

ISBN-13: 390698091X

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This book is a printed edition of the Special Issue "Environmental Tracers" that was published in Water

The Mantle and Core

Author: R.W. Carlson

Publisher: Elsevier

Published: 2005-11-22

Total Pages: 609

ISBN-13: 0080549012

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Though largely inaccessible, the geochemistry of Earth's mantle and core can be examined through a wide variety of approaches. Volume 2 focuses first on "remote" sensing using evidence from cosmochemical, seismic, petrologic and geochemical approaches. Mantle composition is then examined in detail through descriptions of mantle samples brought to Earth's surface through tectonic, volcanic, and volatile-outgassing processes. The volume concludes with examination of processes that modify the composition of the mantle and core including an early magma ocean, partial melting, element partitioning between minerals and melts, and physical mixing caused by plate subduction, mantle convection and mass exchange between mantle and core. Reprinted individual volume from the acclaimed Treatise on Geochemistry, (10 Volume Set, ISBN 0-08-043751-6, published in 2003) Comprehensive and authoritative scope and focus Reviews from renowned scientists across a range of subjects, providing both overviews and new data, supplemented by extensive bibliographies Extensive illustrations and examples from the field

New Insights Into the Origin, Transport and Behavior of Noble Gases

Author: Evelyn Fueri

Publisher:

Published: 2010

Total Pages: 193

ISBN-13: 9781109671537

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The study of volatiles in both subaerial and submarine terrestrial samples is central to understanding the compositions of, and interactions between, the mantle-crust-atmosphere system. This dissertation focuses on the origin, transport and behavior of noble gases at four different geologic settings - a) the San Andreas Fault Zone (SAFZ), a transform plate boundary, b) the Costa Rica margin, a convergent plate boundary, c) Iceland, a ridge-centered hotspot, and d) the Central Indian Ridge, a mid-ocean ridge segment near an off-axis hotspot. Following a brief introduction to the utility of noble gases as geochemical tracers (Chapter I), the helium characteristics of submarine fluid seepage in a strike-slip setting associated with the SAFZ are discussed in Chapter II. Cold seep sites at Extrovert Cliff (Monterey Bay) were chosen for deployment of submarine flux meters and continuous sampling of fluids over several weeks. We assess the origin of dissolved noble gases in the seep fluids, and determine the cause of any temporal variations of the volatile characteristics. Chapter III focuses on the He-CO2 isotope and abundance systematics of submarine cold seep fluids emanating at the Costa Rica fore-arc. We evaluate the origin of dissolved helium and carbon in the fluids, and we estimate the total flux of carbon through fluid venting at mound structures at the fore-arc in order to better constrain the carbon mass balance for the Central America convergent margin. Chapter IV examines the He-Ne systematics of geothermal fluids and the He-Ne-Ar isotope and relative abundance characteristics of subglacial glasses from the neovolcanic zones and older parts of the crust in Iceland. We investigate the processes contributing to the apparent decoupling of the He and Ne isotope systematics observed previously on the Reykjanes Peninsula and question whether this phenomenon is common to other parts of the neovolcanic zones. Chapter V investigates the postulated interaction between the Central Indian Ridge (CIR) and the Réunion hotspot, located ~1100 km off-axis to the west. The CIR passed over the hotspot 34 Ma ago, and the goal of this study is to test if CIR basalts still record a Réunion-like helium isotope signature.