Nano-scale investigation of granular neoblastic zircon, Vredefort impact structure, South Africa: Evidence for complete shock melting

E Kovaleva, MA Kusiak, GG Kenny… - Earth and Planetary …, 2021 - Elsevier
Granular neoblastic zircon (ZrSiO 4) with systematically oriented granules has been
proposed as evidence for extreme shock pressures (> 30 GPa) and subsequent high …

[HTML][HTML] Precambrian impact structures and ejecta on earth: A review

C Koeberl, T Schulz, MS Huber - Precambrian Research, 2024 - Elsevier
Impact cratering is an important geological process on Earth. This review summarizes the
state of knowledge of the Precambrian (Hadean, Archean, and Proterozoic) impact record …

Granular zircon from Vredefort granophyre (South Africa) confirms the deep injection model for impact melt in large impact structures

E Kovaleva, DA Zamyatin, G Habler - Geology, 2019 - pubs.geoscienceworld.org
Abstract The Vredefort impact structure, South Africa, is a 2.02 Ga deeply eroded meteorite
scar that provides an opportunity to study large impact craters at their lower stratigraphic …

[HTML][HTML] Post-cratering melting of target rocks at the impact melt contact: Observations from the Vredefort impact structure, South Africa

MS Huber, E Kovaleva, DA Zamyatin, AA Davletshina… - Chemical …, 2024 - Elsevier
Impact melt is generated following hypervelocity impact events. Emplacement of impact melt
dikes, such as the Vredefort Granophyre Dikes, allow for this high temperature melt to come …

Can Archean impact structures be discovered? A case study from Earth's largest, most deeply eroded impact structure

MS Huber, E Kovaleva, ASP Rae… - Journal of …, 2023 - Wiley Online Library
The record of terrestrial impact events is incomplete with no Archean impact structures
discovered, despite the expected abundance of collisions that must have occurred. Because …

Modeling the geochemical evolution of impact melts in terrestrial impact basins: Vredefort granophyre dikes and Sudbury offset dikes

MS Huber, E Kovaleva, U Riller - Meteoritics & Planetary …, 2020 - Wiley Online Library
Abstract The Vredefort impact structure, South Africa, is comparable to the Sudbury impact
structure, Canada, in size, age, and target rock composition. Both impact structures feature …

Geophysics and origin of the Deniliquin multiple-ring feature, Southeast Australia

AY Glikson, AN Yeates - Tectonophysics, 2022 - Elsevier
Major geophysical elements of the Deniliquin multiple-ring feature, a spatially distinct buried
structure in mainland southeast Australia, suggest it represents the deep-seated root zone of …

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 …

Inhomogeneous distribution of lithic clasts within the Daskop Granophyre Dike, Vredefort Impact Structure: Implications for emplacement of impact melt in large impact …

MS Huber, E Kovaleva, MD Clark, SA Prevec - 2021 - pubs.geoscienceworld.org
The Vredefort granophyre dikes have long been recognized as being derived from the now-
eroded Vredefort melt sheet. One dike, in particular, the Daskop granophyre dike, is notable …