An inter‐laboratory evaluation of OD‐3 zircon for use as a secondary U–Pb dating standard

H Iwano, Y Orihashi, T Hirata, M Ogasawara… - Island Arc, 2013 - Wiley Online Library
Zircon OD‐3 from the P aleogene K awamoto G ranodiorite (M ihara body) in J apan has
been identified as a potential multi‐grain secondary standard for U–Pb dating. We have …

Age control of the first appearance datum for Javanese Homo erectus in the Sangiran area

S Matsu'ura, M Kondo, T Danhara, S Sakata, H Iwano… - Science, 2020 - science.org
The chronology of the World Heritage Site of Sangiran in Indonesia is crucial for the
understanding of human dispersals and settlement in Asia in the Early Pleistocene (before …

Geochronology, geochemistry, and petrogenesis of the Maçka subvolcanic intrusions: implications for the Late Cretaceous magmatic and geodynamic evolution of the …

F Aydin - International Geology Review, 2014 - Taylor & Francis
The Maçka subvolcanic intrusions (MSIs) in the eastern part of the Sakarya zone,
northeastern Turkey, play a critical role in understanding the petrogenetic and geodynamic …

Zircon fission‐track and U–Pb double dating using femtosecond laser ablation–inductively coupled plasma–mass spectrometry: A technical note

H Iwano, T Danhara, Y Danhara, S Hirabayashi… - Island Arc, 2020 - Wiley Online Library
We present a new LA–ICP–MS system for zircon fission‐track (FT) and U–Pb double dating,
whereby a femtosecond laser combined with galvanometric optics simultaneously ablates …

Detrital zircon multi‐chronology, provenance, and low‐grade metamorphism of the C retaceous S himanto accretionary complex, eastern S hikoku, S outhwest J apan …

H Hara, Y Nakamura, K Hara, T Kurihara, H Mori… - Island Arc, 2017 - Wiley Online Library
Detrital zircon multi‐chronology combined with provenance and low‐grade metamorphism
analyses enables the reinterpretation of the tectonic evolution of the C retaceous S himanto …

Extensional stress accompanied by Miocene near-trench magmatism in the southern Kii Peninsula, SW Japan

T Haji, A Yamaji, H Iwano, T Danhara… - Journal of Asian Earth …, 2022 - Elsevier
Voluminous near-trench magmatism began in the Kumano area, SW Japan, at ca. 15 Ma.
The magmatism formed batholiths, cauldrons, and numerous dikes. It has been known that …

Standardless fission-track ages of the IUGS age standards

H Iwano, T Danhara, T Hirata - Chemical Geology, 2018 - Elsevier
Standardless fission-track ages for four zircon, two titanite and three apatite age standards,
most of them recommended by the Fission Track Working Group of the IUGS …

Position-by-position cooling paths within the Toki granite, central Japan: Constraints and the relation with fracture population in a pluton

T Yuguchi, S Sueoka, H Iwano, Y Izumino… - Journal of Asian Earth …, 2019 - Elsevier
Understanding the locational differences of time-temperature (tT) paths within the granite
contributes to clarifying the detailed formation history, especially the thermal evolution, of the …

Standardless fission-track dating of the Durango apatite age standard

R Jonckheere, L Ratschbacher - Chemical Geology, 2015 - Elsevier
Five dating strategies were used for determining the standardless fission-track age of the
Durango apatite. These use the same fossil-track densities but differ in the manner in which …

On growth and form of etched fission tracks in apatite: A kinetic approach

R Jonckheere, B Wauschkuhn… - … : Journal of Earth …, 2019 - pubs.geoscienceworld.org
We discuss differences between the bulk etch rate (ν B) and an alternative radial etch rate (ν
R) model for fission-track etching in apatite. A skeletal ν R-model, based on the inferred …