M. B. Biren

M. B. Biren
Arizona State University | ASU · School of Earth and Space Exploration

PhD

About

22
Publications
3,547
Reads
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166
Citations
Citations since 2016
8 Research Items
115 Citations
201620172018201920202021202205101520
201620172018201920202021202205101520
201620172018201920202021202205101520
201620172018201920202021202205101520
Additional affiliations
January 2015 - October 2015
Arizona State University
Position
  • Research Facilities Specialist / Adjunct Geology Faculty (Chandler-Gilbert Community College)

Publications

Publications (22)
Article
Single-crystal (U-Th)/He dating of 32 apatite and zircon crystals from an impact breccia yielded a weighted mean age of 663 ± 28 ka (n = 3; 4.2 % 2σ uncertainties) for the Monturaqui impact structure, Chile. This ∼350 m diameter simple crater preserves a small volume of impactite consisting of polymict breccias that are dominated by reworked target...
Chapter
This volume represents the proceedings of the homonymous international conference on all aspects of impact cratering and planetary science, which was held in October 2019 in Brasília, Brazil. This volume contains a sizable suite of contributions dealing with regional impact records (Australia, Sweden), impact craters and impactites, early Archean i...
Article
Full-text available
High-pressure minerals provide records of processes not normally preserved in Earth’s crust. Reidite, a quenchable polymorph of zircon, forms at pressures >20 GPa during shock compression. However, there is no broad consensus among empirical, experimental, and theoretical studies on the nature of the polymorphic transformation. Here we decipher a m...
Article
Single crystal (U-Th)/He dating has been undertaken on 21 detrital zircon grains extracted from a core sample from Ocean Drilling Project (ODP) site 1073, which is located ~390 km northeast of the center of the Chesapeake Bay impact structure. Optical and electron imaging in combination with energy dispersive X-ray microanalysis (EDS) of zircon gra...
Article
The (U–Th)/He method has been applied to constrain the formation ages of the Clearwater West and East impact structures of Quebec, Canada. Zircons were separated from impact melt samples derived from a surface exposure at Clearwater West (32 km diameter), and from a drill core at Clearwater East (26 km diameter). The (U–Th)/He results indicate ages...
Conference Paper
Full-text available
Low-temperature (U-Th)/He and 40Ar/39Ar thermochronometers show great potential to increase the number of impact events we can accurately and precisely date.
Conference Paper
Full-text available
Introduction: The ~36 km diameter Clearwater West impact structure, along with its smaller twin (the ~26 km Clearwater East impact structure), forms one of the few known impact doublets on Earth. This study dates zircons from the impact melt sheet at Clearwater West using the (U-Th)/He technique, to compare with the impact ages from previous studie...
Article
The high pressure silica polymorph, stishovite, is discovered in the shock veins developed within the central uplift of the Manicouagan impact structure.
Conference Paper
(U-Th)/He methods were applied to preexisting Proterozoic rocks that comprise the central peaks at the 90 km Manicouagan impact structure in Quebec, to yield an "uplift” age in good agreement with the structure"s accepted 214 Ma U-Pb "formation” age.
Conference Paper
We report the latest results from (U-Th)/He zircon and apatite dating of big and small terrestrial impact structures, including Manicouagan, Charlevoix, Lake Saint Martin, Ries and Steinheim, Bosumtwi, Wetumpka, Karikkoselkä, and Monturaqui.
Conference Paper
Full-text available
Introduction: ~80% of the known terrestrial impact structures have either never been dated, or have poorly constrained ages (i.e., >10% errors) [1]. The reason for these poor age constraints, and the main challenge in dating impact structures, is that the U-Pb, Rb-Sr, K-Ar systematics in 90% of the target rocks are not completely reset during an im...
Article
The accurate dating of meteorite impact structures on Earth has proven to be challenging. Melt sheets are amenable to high-precision dating by the U-Pb and 40Ar/39Ar methods, but many impact events do not produce them, or they are not preserved. In cases where high-temperature shock metamorphism of the target materials has occurred without widespre...
Article
We describe the development of shock veins that penetrate the anorthositic central uplift of the Manicouagan impact structure. They occur as thin (< 2.5 mm wide), linear micro-fault systems that can be traced for several meters in length, and which predominantly trend radially from the point of impact. The shock veins are distinguished by the devel...
Article
Full-text available
The 90 km diameter, late Triassic Manicouagan impact structure of Québec, Canada, is a well-preserved, undeformed complex crater possessing an anorthositic central uplift and a 55 km diameter melt sheet. As such, it provides a valuable terrestrial analogue for impact structures developed on other planetary bodies, especially the Moon and Mars, whic...
Article
We report our investigations of target rocks located in the central uplift of the Manicouagan impact structure of Quebec. Thin white veins there appear to be shock derived features similar to shock veins observed in lunar and martian meteorites.

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