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shocked quartz (38) 38
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ia supernovae (5) 5
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Journal of Applied Physics, ISSN 0021-8979, 03/2007, Volume 101, Issue 6, pp. 063547 - 063547-10
We investigate the quantitative reliability and precision of three different piezoelectric technologies for measuring ejected areal mass from shocked surfaces.... 
SHOCKED SURFACES | PHYSICS, APPLIED | FLOW | Piezoelectricity | Analysis | Lithium compounds | Niobium | Electric properties
Journal Article
The Astrophysical Journal, ISSN 0004-637X, 04/2011, Volume 730, Issue 2, p. 89
Journal Article
Earth and Planetary Science Letters, ISSN 0012-821X, 2006, Volume 246, Issue 3, pp. 149 - 160
The significance of temporal and spatial associations between asteroid/comet impact ejecta units and overlying iron-rich sediments, including banded... 
asteroid impact | early Proterozoic | banded iron-formation | jaspilite | Archaean | SOUTH-AFRICA | EARTH | WESTERN-AUSTRALIA | DEPOSITION | IRIDIUM ANOMALIES | HAMERSLEY BASIN | GEOCHEMISTRY & GEOPHYSICS | EVOLUTION | TRANSVAAL SUPERGROUP | ARCHEAN SPHERULE LAYER | SHOCKED QUARTZ | Jasper | Cratons | Tectonics (Geology) | Biosphere | Breccia | Sedimentation | Rain and rainfall | Sediments (Geology) | Sea-water
Journal Article
Geology, ISSN 0091-7613, 09/2005, Volume 33, Issue 9, pp. 725 - 728
Seven spherule beds interpreted to be distal impact ejecta were recently found in late Neoarchean and early Palleoproterozoic successions of northwestern... 
Spherule beds | Geochronology | Hamersley Province | Australia | Impact ejecta | Zircon | geochronology | SOUTH-AFRICA | impact ejecta | WESTERN-AUSTRALIA | IRIDIUM ANOMALIES | zircon | GEOLOGY | TRANSVAAL SUPERGROUP | spherule beds | PILBARA CRATON | SHOCKED QUARTZ | IRON-FORMATION | MAJOR ASTEROID IMPACT | PRECAMBRIAN CARBONATES | WITTENOOM FORMATION | Geology | Research
Journal Article
Earth and Planetary Science Letters, ISSN 0012-821X, 02/2007, Volume 254, Issue 1-2, pp. 214 - 226
The temporal association between late Archaean to earliest Proterozoic asteroid impact ejecta/fallout units and overlying banded iron formations suggests that,... 
Hamersley | Western Australia | asteroid impact | banded iron formation | Pilbara | EJECTA | EARTH | SPHERULE LAYERS | BOMBARDMENT | RECORD | MARIA | GEOCHEMISTRY & GEOPHYSICS | FORTESCUE GROUP | GROWTH | CONSTRAINTS | SHOCKED QUARTZ | western Australia
Journal Article
Applied Physics Letters, ISSN 0003-6951, 2007, Volume 90, Issue 15, p. 151921
The authors consider a mathematical method to separate and determine the amount of ejecta produced in a second-shock material-fragmentation process. The... 
SHOCKED SURFACES | PHYSICS, APPLIED
Journal Article
Geology, ISSN 0091-7613, 2000, Volume 28, Issue 11, pp. 975 - 978
Sand-size spherules of former silicate melt have been identified in similar to 10 thin Early Archean to Paleoproterozoic layers that appear to be reworked... 
Impacts | Ejecta | Precambrian | Secular variations | Spherules | CRETACEOUS-TERTIARY BOUNDARY | WESTERN-AUSTRALIA | SOUTHERN-OCEAN | MICROTEKTITES | impacts | ejecta | ASTEROID IMPACT | GEOLOGY | CONSTRAINTS | secular variations | SHOCKED QUARTZ | LAYER | spherules | TEKTITES | Geology, Stratigraphic
Journal Article
Annual Review of Earth and Planetary Sciences, ISSN 0084-6597, 2004, Volume 32, Issue 1, pp. 329 - 361
Journal Article
Meteoritics & Planetary Science, ISSN 1086-9379, 04/2004, Volume 39, Issue 4, pp. 589 - 597
— Previous workers have shown that an impact ejecta layer at Massignano, Italy contains a positive Ir anomaly, flattened spheroids (pancake spherules), Ni‐rich... 
GEOCHEMISTRY & GEOPHYSICS | TEKTITE | CLINOPYROXENE-BEARING SPHERULES | SEDIMENTS | EXTINCTIONS | MICROTEKTITES | STREWN FIELD | SHOCKED QUARTZ | MAUD-RISE | DISCOVERY | LAYERS
Journal Article
Chemie der Erde - Geochemistry - Interdisciplinary Journal for Chemical Problems of the Geosciences and Geoecology, ISSN 0009-2819, 2002, Volume 62, Issue 3, pp. 173 - 196
Journal Article
Geochimica et Cosmochimica Acta, ISSN 0016-7037, 11/2017, Volume 217, pp. 28 - 50
The Australasian tektite strewn field is exceptional, not only as the largest and most recent, but also as the only strewn field without an identified source... 
Australasian tektite strewn field | Meteoritic component | Impact cratering | Impact ejecta | Siderophile elements | OSMIUM ISOTOPE EVIDENCE | MICROTEKTITES | GEOCHEMISTRY & GEOPHYSICS | SOUTH CHINA SEA | IMPACT | ORIGIN | CHEMICAL-COMPOSITION | SHOCKED QUARTZ | GEOCHEMISTRY | BOSE BAISE BASIN | HIGHLY SIDEROPHILE ELEMENTS | Earth | Cratering | Mantle | Lithofacies | Achondrites | Analysis
Journal Article
Chemical Geology, ISSN 0009-2541, 03/2019, Volume 507, pp. 85 - 95
In a hypervelocity impact event, the temperatures and pressures generated by the shock waves far exceed the values produced by endogenic processes. The... 
Shocked zircon | Phase transformation | Reidite | Trace element mobility | Atom probe tomography | HIGH-PRESSURE POLYMORPH | BEHAVIOR | IMPACT EJECTA | MECHANISMS | STOER GROUP | DEFORMATION | AUSTENITE | GEOCHEMISTRY & GEOPHYSICS | STAC FADA | ATOM-PROBE | DIFFUSION | Zirconium | Meteorites | Mines and mineral resources | Analysis
Journal Article
Geology, ISSN 0091-7613, 12/2004, Volume 32, Issue 12, pp. 1029 - 1032
A thin (1-5 mm) spherule layer in ca. 2.63 Ga shale from the Jeerinah Formation (Pilbara craton, northwestern Australia) has been identified at two new... 
Impact ejecta | Ir anomaly | Archean impact layers | Shocked quartz | EJECTA | impact ejecta | FORTESCUE GROUP | ORIGIN | WESTERN-AUSTRALIA | GEOLOGY | METAMORPHISM | HAMERSLEY BASIN | HORIZON | shocked quartz | Geology | Research
Journal Article