👁 Image
| Sherlock, Sarah C., Kelley, Simon P., Parnell, John, Green, Paul, Lee, Pascal, Osinski, Gordon R., Cockell, Charles S. (2005) Re-evaluating the age of the Haughton impact event. Meteoritics & Planetary Science, 40 (12) 1777-1787 doi:10.1111/j.1945-5100.2005.tb00146.x | Journal (article/letter/editorial) | | http://meteoritics.org
Re-evaluating the age of the Haughton impact event
Sarah C. SHERLOCK1*, Simon P. KELLEY1...Route de l’Aeroport, Saint-Hubert, QC J3Y 8Y9, Canada
6Centre for Earth, Planetary, Space and Astronomical...re-evaluated the published age information for the Haughton impact structure,
which was believed to have formed...the age of the Haughton impact structure is ∼39 Ma, which has
implications for both crater recolonization...recolonization models and post-impact hydrothermal activity. Future
work on the relationship between flora and fauna | 👁 Image
| Cockell, Charles S., Lee, Pascal, Broady, Paul, Lim, Darlene S. S., Osinski, Gordon R., Parnell, John, Koeberl, Christian, Pesonen, Lauri, Salminen, Johanna (2005) Effects of asteroid and comet impacts on habitats for lithophytic organisms-A synthesis. Meteoritics & Planetary Science, 40 (12) 1901-1914 doi:10.1111/j.1945-5100.2005.tb00153.x | Journal (article/letter/editorial) | | Route de l’Aeroport, Saint-Hubert, Quebec, J3Y 8Y9, Canada
5Department of Geology, University of Aberdeen...microorganisms. Using evidence from the Haughton impact structure, Nunavut, Canadian
High Arctic, we describe...the nature of the lithophytic ecological
niche. Impact-induced increases in rock porosity and fracturing...commonly
increased in abundance as a result of impact bulking. Chasmoendolithic habitats require less...formation is likely to
be common to most impact events. Impact events are unlikely to have an influence | 👁 Image
| | Journal (article/letter/editorial) | | Abstract available online at http://meteoritics.org
Impact-induced impoverishment and transformation of a...Route de l’Aeroport, Saint-Hubert, Quebec J3Y 8Y9, Canada
3Present address: Departments of Earth Sciences/Physics...1151 Richmond Street,
London, Ontario N, N6A 5B7, Canada
*Corresponding author. E-mail: c.s.cockell@open...on the colonization of impact metamorphosed
sandstones from the Haughton impact structure, Canadian High...rocks, which can
become more porous as a result of impact bulking, by closing pore spaces the sedimentary | 👁 Image
| PONTEFRACT, Alexandra, OSINSKI, Gordon R., LINDGREN, Paula, PARNELL, John, COCKELL, Charles S., SOUTHAM, Gordon (2012) The effects of meteorite impacts on the availability of bioessential elements for endolithic organisms. Meteoritics & Planetary Science, 47 (10) 1681-1691 doi:10.1111/maps.12004 | Journal (article/letter/editorial) | | Sciences, University of Western Ontario, London, Canada
School of Geographical and Earth Sciences, University...destroy as well as create habitats for life. The impact process can increase the
translucency and porosity...up to about 80 GPa from the Haughton impact structure, Devon Island, Canada,
possess a small, but discernible...dissolved by organic acids. The implication that impact events do not
impoverish their capacity to serve...analogous impact structures on Mars. After the deleterious effects of the direct
meteorite impact, any microorganisms | 👁 Image
| | Journal (article/letter/editorial) | | online at http://meteoritics.org
Mid-sized complex crater formation in mixed crystalline-sedimentary targets:...Ontario, 1151 Richmond Street, London, ON, N6A 5B7, Canada
*Corresponding
author. E-mail: g.collins@imperial...revision accepted 21 October 2008)
Abstract–Large impact crater formation is an important geologic process that...fully
understood. The current paradigm for impact crater formation is based on models and observations...mechanics of crater collapse, and the effect of
variations in target properties on crater formation, the | 👁 Image
| | Journal (article/letter/editorial) | | Rb-Sr in
naturally shocked rocks; the Haughton Impact Structure, Canada
URS SCHARER”* and ALEX DEUTSCH*
’...Monttial, C.P. 8888,
Succ. A, Montrial, Qu&ec, Canada H3C 3P8
* Institut ftir Planetologie, Universitgt...breccia of the 23-Ma-old Haughton impact crater on Devon Island (Arctic Canada) were analysed for
U-Pb...product of time integrated Pb-diffusion prior to the impact event, which occurred
23 Ma ago. This constrains...patterns are not a reliable chronometer to date impact events.
Small rock fragments and a coherent block | 👁 Image
| Zylberman, W., Quesnel, Y., Rochette, P., Osinski, G. R., Marion, C., Gattacceca, J. (2017) Hydrothermally enhanced magnetization at the center of the Haughton impact structure?. Meteoritics & Planetary Science, 52 (10) 2147-2165 doi:10.1111/maps.12917 | Journal (article/letter/editorial) | | enhanced magnetization at the center of the Haughton impact
structure?
W. ZYLBERMAN1,2*
, Y. QUESNEL1...University of Western Ontario, London,
Ontario N6A 5B7, Canada
3
Department of Physics and Astronomy, University...University of Western Ontario, London, Ontario N6A 5B7, Canada
*
Corresponding author. E-mail: zylberman@cerege...2017)
Abstract–Haughton is a ~24 Myr old midsize (apparent diameter 23 km) complex impact
structure located...located on Devon Island in Nunavut, Canada. The center of the structure shows a
negative gravity anomaly | 👁 Image
| MacLagan, E. A., Walton, E. L., Herd, C. D. K., Dence, M. (2018) Investigation of impact melt in allochthonous crater-fill deposits of the Steen River impact structure, Alberta, Canada. Meteoritics & Planetary Science, 53 (11) 2285-2305 doi:10.1111/maps.13122 | Journal (article/letter/editorial) | | Investigation of impact melt in allochthonous crater-fill deposits of the Steen River
impact structure, Alberta...Alberta, Canada
E. A. MACLAGAN
1,*
, E. L. WALTON
1,2
, C. D. K. HERD1, and M. DENCE3
1
Department...Earth Sciences Building, Edmonton, Alberta
T6G 2E3, Canada
2
Department of Physical Sciences, MacEwan University...Edmonton, Alberta T5J 4S2, Canada
3
2602 – 38 Metropole Pvt., Ottawa, ON K1Z 1E9, Canada
*
Corresponding author...accepted 28 April 2018)
Abstract–The Steen River impact structure (SRIS) formed in mixed target rocks, | 👁 Image
| Hickey, Leo J., Johnson, Kirk R., Dawson, Mary R. (1988) The Stratigraphy, Sedimentology, and Fossils of the Haughton Formation: A Post-Impact Crater-Fill, Devon Island, N.W.T., Canada. Meteoritics, 23 (3) 221-231 doi:10.1111/j.1945-5100.1988.tb01284.x | Journal (article/letter/editorial) | | Fossils of the
Haughton Formation: A Post-Impact Crater-Fill,
Devon Island, N.W.T., Canada
LEO J. HICKEY...7 June 1988)
Abstract-After the impact that formed Haughton crater, 22.4 ± 1.4 Ma ago (early Miocene)...evidence of pre-impact stratigraphy and post-impact morphology and development of the crater, as well as...report we formally
designate these sediments as the Haughton Formation, of which only a 48 m thick remnant...blanket of allochthonous impact breccia forming the floor of the original crater. Presence of a debris-flow | 👁 Image
| OSINSKI, G. R., GRIEVE, R. A. F., COLLINS, G. S., MARION, C., SYLVESTER, P. (2008) The effect of target lithology on the products of impact melting. Meteoritics & Planetary Science, 43 (12) 1939-1954 doi:10.1111/j.1945-5100.2008.tb00654.x | Journal (article/letter/editorial) | | The effect of target lithology on the products of impact melting
G. R. OSINSKI1*, R. A. F. GRIEVE2, G. S...N6A 5B7, Canada
2Earth Sciences Sector, Natural Resources Canada, Ottawa, ON K1A 0E4, Canada
3IARC, Department...University of Newfoundland, St. John’s, NL A1B 3X5, Canada
*Corresponding author. E-mail: gosinski@uwo.ca...revision accepted 04 September 2008)
Abstract–Impact cratering is an important geological process on...rocky and
icy moons of the outer solar system. Impact events generate pressures and temperatures that | 👁 Image
| | Book | | Impact Struwues
jinCanada
Richard A.F. Grieve
QB755.5
C3G76
>
Geological Association of Canada
Association...Association géologique du Canada
GE@text
|iS)
Digitized by the Internet Archive
in 2021 with funding...rie
Impact Structures
in Canada
eetutouiie to
‘spbsnsO ni
Impact Structures
in Canada
Richard...Natural Resources
Canada
ly Geological Association of Canada
Association géologique du Canada
Library and...and Archives Canada Cataloguing in Publication
Grieve, R. A. F.
Impact structures in Canada / Richard A | 👁 Image
| | Journal (article/letter/editorial) | | sillimanite
within a dense metamorphic rock from
the Ries crater (Germany)
Received: 12 March 2004 / Accepted: 21...metamorphic rock from the suevite breccia of the
Ries impact crater was studied by scanning-electron
microscopy...Boslough 1991; French 1998). At present,
about 170 impact structures have been discovered on
our planet,...metamorphic transformations in target rocks of
impact craters.
The ca. 25 km wide and 600 m deep structure...a very young
crater with an 40Ar/39Ar age of 14.3±0.2 Ma measured
directly on Ries impact glasses (Buchner | 👁 Image
| | Journal (article/letter/editorial) | | Rundschau 81/2 I 403-427 I Stuttgart 1992
The Azuara impact structure (Spain): new insights from geophysical...investigations in the 3 5 - 4 0 km diameter Azuara
probable impact structure (northeast Spain) is given.
The target...Networks of typical
breccia dikes well-known from many impact structure cut through nearly all stratigraphical...high-temperature signatures in
rocks. The age of the impact is estimated to be Upper
Eocene or Oligocene. We...is difficult to explain by
mechanisms other than impact, and we discuss our
observations within the scope | 👁 Image
| | Journal (article/letter/editorial) | | Shocked lithologies at the Wanapitei impact structure, Ontario, Canada
R. A. F. GRlEVEI,t AND T. J. BER2...Ottawa, Canada
tPennanent address: Geophysics Division, Geological Survey of Canada, Ottawa, Canada, KIA...May 25)
Abstract-The ~7.5 Ian diameter Wanapitei impact structure (46°45'N; 80 045'W) lies entirely within...within Lake Wanapitei in central Ontario,
Canada. Impact lithologies are known only from glacial float...at the southern end ofthe lake. Over 50% ofthe impact lithologies recovered
from this float can be classified | 👁 Image
| | Journal (article/letter/editorial) | | transpression ridges: A new structural feature of complex impact craters
THOMAS
KENKMAN" * AND ILKAVON DALWIGK2...complex impact craters induces the mass transfer of large rock
volumes. In distal parts of a crater, inward...movements dominate; whereas in the centre of an impact
structure, outward movements occur if the central...investigations at the Siljan
impact structure, Sweden, as well as at other complex impact craters on Earth.
INTRODUCTION...the evolution of terrestrial planets. Although impact
craters are not a dominant landform on Earth, appreciation | 👁 Image
| | Report (issue) | | then Meteor Crater, and now recognized by the Meteoritical Society as
Barringer Meteorite Crater. When one...desert to determine if Coon Butte was a volcanic or
impact construct. In the end, he erroneously concluded...early stage in the development of the field of impact cratering, because it curiously is at
odds with...Earth did not emerge until Barringer championed the impact concept.
There is an important distinction in scale... Barringer built a case for a relatively small crater while much
larger structures were evident on the | 👁 Image
| | Journal (article/letter/editorial) | | 199–211
www.elsevier.com/locate/epsl
The Strangways impact structure, Northern Territory, Australia:
geological...a,Ł , Simon P. Kelley b , Michael R. Dence c
a Impact Geology Group, Department of Geology, University...Brunswick, 2 Bailey Drive, Fredericton, NB, E3B 5A3, Canada
b Department of Earth Sciences, The Open University...6AA, UK
c 824 Nesbitt Place, Ottawa, ON, K2C 0K1, Canada
Received 3 May 1999; revised version received...accepted 10 August 1999
Abstract
The Strangways impact structure occurs within the McArthur sedimentary | 👁 Image
| | Journal (article/letter/editorial) | | Society, 1998. Printed in USA.
Scaling impact melting and crater dimensions:
Implications for the lunar...2Geological Survey of Canada, 601 Booth Street, Room 209, Ottawa, Ontario KIA OE8, Canada
*Correspondence author's...formed by impact are controlled to a large extent by gravity,
whereas the volume of impact melt created...fosters size-dependent changes in the dynamics of impact-crater and basin formation as
well as in the final...made on the basis of calculations of impact melting and
crater dimensions. Among them are the following: | 👁 Image
| | Journal (article/letter/editorial) | | Vredefort Dome, South Africa—
Significance for impact-related deformation and central uplift formation...WIELAND, Roger L. GIBSON*, and Wolf Uwe REIMOLD
Impact Cratering Research Group, School of Geosciences...central uplift formation during the 2.02 Ga
Vredefort impact event. Broadly radially oriented symmetric and...of radial and tangential dikes of impact melt rock,
confirm the impact timing of these features and are...however, these central uplifts
and the surrounding crater floor rocks contain second-order
structures that | 👁 Image
| | Journal (article/letter/editorial) | | of differential impact melt-erater scaling and
implications for the terrestrial impact record
R. A. F...'Geophysics Division, Geological Survey of Canada, Ottawa, Ontario, Canada KIA OY3
-Planetary Sciences Branch...has been known for some time that the volume of impact melt (V m) relative to that of the transient cavity...cavity (Vte)
increases with the magnitude ofthe impact event. This paper investigates the influence that...has on the nature
of terrestrial impact craters. A model of impact melting is used to estimate the volume | 👁 Image
| | Journal (article/letter/editorial) | | isotope study of carbonates
from the Haughton impact crater, Canada
I. Martinez, P. Agriuier, U. Scharcr...Verde (Phosphatization
of basaltic
rocks from the island of Sal, Cape Verde archipelago)
L. C. Silva, P...evofution
south Mayo, Ireland
of an Ordovician
island are,
P. D. Clift & P. D. Ryan, Journal - Geological...1994, pp 239-269
Aluminous subsolvus anorogenie granite genesis in the
light of Nd isotopic heterogeneity...Pb-Zn deposits and dolomitization in the
$vestern Canada Sedimentary Basin
B. E. Nesbitt 8r K. Muehlenbachs | 👁 Image
| | Journal (article/letter/editorial) | | Carbonate-silicate liquid immiscibility upon impact melting:
Ries Crater, Germany
GUNTHER
GRAUP
Max-Planck-Institut...km diameter Ries impact crater in southern Germany is one of the most studied impact
structures on Earth...Hercynian crystalline basement. At the time of impact (14.87 ? 0.36 Ma; Storzer el ul., 1995), the 350...limestone was present only to the south and east of the impact site. To the north and west, the
Malm had been...proportion of shocked
target material is in the impact-melt-bearingbreccia suevite. The suevite had been | 👁 Image
| | Book | | Atlas
of Terrestrial
Impact Craters
Encyclopedic Atlas of Terrestrial Impact Craters
Enrico Flamini...Coletta
Editors
Encyclopedic Atlas
of Terrestrial Impact Craters
123
Editors
Enrico Flamini
Italian Space...illustration: Radar image of the Gosses Bluff impact crater central peak (Australia) acquired in spotlight...Atlas will be
very useful to better understand crater formation and evolution and provides a new research...research
method that may, hopefully, help new crater findings. Getting through these pages, it is then
both | 👁 Image
| SCHMITT, D. R., MILKEREIT, B., KARP, T., SCHOLZ, C., DANUOR, S., MEILLIEUX, D., WELZ, M. (2007) In situ seismic measurements in borehole LB-08A in the Bosumtwi impact structure, Ghana: Preliminary interpretation. Meteoritics & Planetary Science, 42 (4) 755-768 doi:10.1111/j.1945-5100.2007.tb01072.x | Journal (article/letter/editorial) | | measurements in borehole LB-08A in the Bosumtwi
impact structure, Ghana: Preliminary interpretation
D...University of Alberta, Edmonton, Alberta, T6G 2G7, Canada
2Department of Physics, University of Toronto,...Saint George Street, Toronto, Ontario, M5S 1A7, Canada
3Department of Geology, 204 Heroy Geology Laboratory...an observation that has been made at other young impact structures of similar size. The low
velocities...hence, the decay of the shock pressure from the impact point. Validation of
this requires additional detailed | 👁 Image
| | Journal (article/letter/editorial) | | systematically presents all finds of geogenic, impact-induced, and extraterrestrial iron silicide minerals...carry liquefied
material into the air above the impact site, generating exogenic fulgurites [45]. An exogenic...glassy.
Figure 1. Fulgurite from Munkmarsch on the island of Sylt (Sylt community, Nordfriesland district...identified, indicating a difference to a hypervelocity impact
shock [85]. The fact that lightning strikes cause...Lake, Michigan hit unsorted glacial sediment and impact
rocks. It produced a fulgurite (14 cm in diameter) |
|
