Development of New and High Precision Noble Gas Techniques for Dating Quaternary Volcanic Rocks and Surfaces: A TANG3O Initiative

Basalt lava flows of the intraplate Newer Volcanic Province in south-east Australia (Melbourne region): 40Ar/39Ar geochronology reveals ~8 Ma of episodic activity

M Heath, D Phillips, EL Matchan

2020-01-01

Intraplate basaltic volcanism is one of the most common, yet poorly understood, types of volcanism. Intraplate continental basalti..

Early human occupation of southeastern Australia: Newinsights from 40Ar/39Ar dating of young volcanoes

EL Matchan, D Phillips, F Jourdan, K Oostingh

2020-01-01

In Australia, the onset of human occupation (≥65 ka?) and dispersion across the continent are the subjects of intense debate and a..

An evidence-based approach to accurate interpretation of 40Ar/39Ar ages from basaltic rocks

M Heath, D Phillips, EL Matchan

2018-09-15

Since its inception in the mid-1960s, the ⁴⁰Ar/³⁹Ar dating technique has been the premier method for determi..

40Ar/39Ar ages of alkali feldspar xenocrysts constrain the timing of intraplate basaltic volcanism

EL Matchan, D Phillips, E Traine, D Zhu

2018-08-01

Intraplate continental basaltic volcanic provinces (ICBVPs) occur on all continents and represent some of the most enigmatic volca..

Major element data, 40Ar/39Ar step-heating and step-crushing data for anorthoclase megacrysts from the Newer Volcanic Province, south-eastern Australia

EL Matchan, D Phillips, E Traine, D Zhu

2018-08-01

We provide the dataset associated with the research article “⁴⁰Ar/³⁹Ar ages of alkali feldspar xenocrysts co..

Production of 21Ne in depth-profiled olivine from a 54 Ma basalt sequence, Eastern Highlands (37° S), Australia

EL Matchan, M Honda, TT Barrows, D Phillips, AR Chivas, LK Fifield, D Fabel

2018-01-01

In this study we investigate the cosmogenic neon component in olivine samples from a vertical profile in order to quantify muogeni..

Ar-40/Ar-39 geochronology reveals rapid change from plume-assisted to stress-dependent volcanism in the Newer Volcanic Province, SE Australia

KF Oostingh, F Jourdan, EL Matchan, D Phillips

2017-03-01

Here we present 40Ar/39Ar ages of volcanic features in the Cenozoic intraplate Newer Volcanic Province in southeast Australia. The..

Astronomical calibration of Ar-40/Ar-39 reference minerals using high-precision, multi-collector (ARGUSVI) mass spectrometry

D Phillips, EL Matchan, M Honda, KF Kuiper

2017-01-01

The new generation of multi-collector mass spectrometers (e.g. ARGUSVI) permit ultra-high precision (<0.1%) 40Ar/39Ar geochronolog..

A new 40Ar/39Ar eruption age for the Mount Widderin volcano, Newer Volcanic Province, Australia, with implications for eruption frequency in the region

EL Matchan, EB Joyce, D Phillips

2016-02-17

The Mount Widderin shield volcano is located near Skipton, western Victoria, in the Western Plains subprovince of the monogenetic ..

Redetermination of the 21Ne relative abundance of the atmosphere, using a high resolution, multi-collector noble gas mass spectrometer (HELIX-MC Plus)

M Honda, X Zhang, D Phillips, D Hamilton, M Deerberg, JB Schwieters

2015-08-15

Analyses of noble gas isotopes by high-resolution, multi-collector mass spectrometry have the potential to revolutionise applicati..

High precision multi-collector 40Ar/39Ar dating of young basalts: Mount Rouse volcano (SE Australia) revisited

EL Matchan, D Phillips

2014-01-01

The acquisition of high precision geochronological data for young basalts, particularly low potassium examples <500ka old, is a no..

Ultra-high precision 40Ar/39Ar ages for Fish Canyon Tuff and Alder Creek Rhyolite sanidine: New dating standards required?

D Phillips, EL Matchan

2013-11-15

The ⁴⁰Ar/³⁹Ar dating technique is a high precision (<0.1%) method with wide application to geological sample..