Impact cratering: the south American record–Part 1

AP Crósta, WU Reimold, MAR Vasconcelos, N Hauser… - Geochemistry, 2019 - Elsevier
The Earth's impact record is known to be rather limited in both time and space. There are ca.
190 impact structures currently known on Earth, representing a minor fraction of all the …

Genesis of the mafic impact melt rock in the northwest sector of the Vredefort Dome, South Africa

WU Reimold, N Hauser, AL Oliveira… - … & Planetary Science, 2023 - Wiley Online Library
Genesis and emplacement of Vredefort Granophyre, the impact melt rock exposed on the
Vredefort Dome, the erosional remnant of the central uplift of the Vredefort impact structure …

Ilmenite and magnetite microfabrics in shocked gneisses from the Vredefort impact structure, South Africa

F Dellefant, CA Trepmann, SA Gilder… - … to Mineralogy and …, 2022 - Springer
We investigated microfabrics of shocked Archean gneisses from two, 10 m-deep drill cores
located near the center of the Vredefort impact structure in an area that is characterized by a …

The impact pseudotachylitic breccia controversy: Insights from first isotope analysis of Vredefort impact-generated melt rocks

WU Reimold, N Hauser, BT Hansen, M Thirlwall… - … et Cosmochimica Acta, 2017 - Elsevier
Besides impact melt rock, several large terrestrial impact structures, notably the Sudbury
(Canada) and Vredefort (South Africa) structures, exhibit considerable occurrences of a …

Araguainha impact structure, Brazil: New insights into the geology of the central uplift

CSM Souza, N Hauser, WU Reimold… - … & Planetary Science, 2024 - Wiley Online Library
Extensive, new outcrops along the MT‐100 state road in the northern part of the central uplift
of the 40‐km diameter, 252–259 Ma old Araguainha impact structure, Central Brazil, have …

Post-impact faulting of the Holfontein granophyre dike of the Vredefort impact structure, South Africa, inferred from remote sensing, Geophysics, and geochemistry

MD Clark, E Kovaleva, MS Huber, F Fourie, C Harris - Geosciences, 2021 - mdpi.com
Better characterization features borne from long-term crustal modification processes is
essential for understanding the dynamics of large basin-forming impact structures on Earth …

Genesis of the mafic granophyre of the Vredefort impact structure (South Africa): Implications of new geochemical and Se and Re-Os isotope data

WU Reimold, T Schulz, S König, C Koeberl, N Hauser… - 2021 - pubs.geoscienceworld.org
This contribution is concerned with the debated origin of the impact melt rock in the central
uplift of the world's largest confirmed impact structure—Vredefort (South Africa). New major …

Distinguishing friction-from shock-generated melt products in hypervelocity impact structures

JG Spray, MB Biren - 2021 - pubs.geoscienceworld.org
Field, microtextural, and geochemical evidence from impact-related melt rocks at the
Manicouagan structure, Québec, Canada, allows the distinction to be made between friction …

Pseudotachylite vein hosted by a clast in the Vredefort Granophyre: characterization, origin and relevance

E Kovaleva, MS Huber, F Roelofse… - … African Journal of …, 2018 - pubs.geoscienceworld.org
A small, meta-granitic clast with a crosscutting microcrystalline vein was found enclosed
within the Vredefort Granophyre. Semi-quantitative chemical analyses of the granophyre …

[HTML][HTML] Terrestrial impact sites as field analogs for planetary exploration

P Lambert, WU Reimold - Frontiers in Astronomy and Space Sciences, 2023 - frontiersin.org
Terrestrial impact structures provide the only analogs for hands-on astronaut training or
robotic exercises in preparation for fieldwork on other planetary surfaces. Impact structures …