An appraisal of the ages of Phanerozoic large igneous provinces
Large igneous provinces (LIPs) are the products of exceptional magmatic events that played
important roles in tectonic plate reorganizations, environmental crises, energy resource …
important roles in tectonic plate reorganizations, environmental crises, energy resource …
[HTML][HTML] Interpreting and reporting 40Ar/39Ar geochronologic data
Abstract The 40 Ar/39 Ar dating method is among the most versatile of geochronometers,
having the potential to date a broad variety of K-bearing materials spanning from the time of …
having the potential to date a broad variety of K-bearing materials spanning from the time of …
Application of combined U-Th-disequilibrium/U-Pb and (U-Th)/He zircon dating to tephrochronology
The combination of U-Th disequilibrium/U-Pb and (U-Th)/He dating of zircon (ZDD) has
provided a relatively new radiometric approach suitable for dating Quaternary zircon …
provided a relatively new radiometric approach suitable for dating Quaternary zircon …
Early Levallois technology and the Lower to Middle Paleolithic transition in the Southern Caucasus
DS Adler, KN Wilkinson, S Blockley, DF Mark… - Science, 2014 - science.org
The Lower to Middle Paleolithic transition (~ 400,000 to 200,000 years ago) is marked by
technical, behavioral, and anatomical changes among hominin populations throughout …
technical, behavioral, and anatomical changes among hominin populations throughout …
Re-evaluation of the ages of 40Ar/39Ar sanidine standards and supereruptions in the western US using a Noblesse multi-collector mass spectrometer
The rewards from resolving the tempo of magmatic, paleobiologic, paleoclimatic, and
tectonic processes at better than the per mil level of precision have spurred a quest within …
tectonic processes at better than the per mil level of precision have spurred a quest within …
Ultra-high precision 40Ar/39Ar ages for Fish Canyon Tuff and Alder Creek Rhyolite sanidine: new dating standards required?
D Phillips, EL Matchan - Geochimica et Cosmochimica Acta, 2013 - Elsevier
Abstract The 40 Ar/39 Ar dating technique is a high precision (< 0.1%) method with wide
application to geological samples. However, the method is predicated on the availability of …
application to geological samples. However, the method is predicated on the availability of …
New high-precision measurements of the isotopic composition of atmospheric argon
DF Mark, FM Stuart, M De Podesta - Geochimica et Cosmochimica Acta, 2011 - Elsevier
Earth's atmosphere is used as a standard reference gas for mass spectrometric
determinations of argon (Ar) isotopes used principally in geochronology. There are three …
determinations of argon (Ar) isotopes used principally in geochronology. There are three …
A high-precision 40Ar/39Ar age for the Young Toba Tuff and dating of ultra-distal tephra: forcing of Quaternary climate and implications for hominin occupation of India
A new high-precision inverse isochron 40 Ar/39 Ar age for the youngest Toba super-eruption
is presented: 75.0±0.9 ka (1 sigma, full external precision, relative to the optimisation model …
is presented: 75.0±0.9 ka (1 sigma, full external precision, relative to the optimisation model …
[HTML][HTML] The initiation and evolution of the River Nile
The Nile is generally regarded as the longest river in the world. Knowledge of the timing of
the Nile's initiation as a major river is important to a number of research questions. For …
the Nile's initiation as a major river is important to a number of research questions. For …
A low-uncertainty measurement of the Boltzmann constant
M de Podesta, R Underwood, G Sutton, P Morantz… - Metrologia, 2013 - iopscience.iop.org
The Comité international des poids et mesures (CIPM) has projected a major revision of the
International System of Units (SI) in which all of the base units will be defined by fixing the …
International System of Units (SI) in which all of the base units will be defined by fixing the …