標(biāo)題: Titlebook: Geological and Biological Effects of Impact Events; Eric Buffetaut,Christian Koeberl Book 2002 Springer-Verlag Berlin Heidelberg 2002 Biod [打印本頁] 作者: 緩和緊張狀況 時間: 2025-3-21 16:04
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書目名稱Geological and Biological Effects of Impact Events讀者反饋學(xué)科排名
作者: 商店街 時間: 2025-3-21 20:29
A Geographic Database Approach to the KT Boundary,he coincident with the KT boundary, to suggest some regional patterns related to the impact of an extraterrestrial body in the Gulf of Mexico and to document the distribution of ejecta debris from the Chicxulub crater.作者: DALLY 時間: 2025-3-22 01:49
1612-8338 ries aim to include all aspects of research related to impact cratering - geology, geophysics, paleontology, geochemistry, mineralogy, petrology, planetolgy, etc. Future volumes will include monographs, field guides, conference proceedings, etc. All contributions in this book were peer-reviewed to e作者: 暴發(fā)戶 時間: 2025-3-22 07:46 作者: 高歌 時間: 2025-3-22 09:37
Die strukturelle Ertragsschw?che der Bankentation and vertebrates. The fluviatile ecosystem of the “Upper Freshwater Molasse” accelerated the re-colonization. This fast reorganization of the ecotopes was particularly influenced by fluviatile drift.作者: Cubicle 時間: 2025-3-22 13:44 作者: Cubicle 時間: 2025-3-22 18:47
K/T Impact Remains in an Ammonite from the Uppermost Maastrichtian of Bidart Section (French Basqueamount of iridium and a few crystals of Ni-rich spinel, two markers of the K/T cosmic event. These findings support the idea that ammonites existed up to the very top of the Cretaceous and disappeared suddenly right at the K/T boundary.作者: PALMY 時間: 2025-3-23 00:35
The Ries and Steinheim Meteorite Impacts and their Effect on Environmental Conditions in Time and Station and vertebrates. The fluviatile ecosystem of the “Upper Freshwater Molasse” accelerated the re-colonization. This fast reorganization of the ecotopes was particularly influenced by fluviatile drift.作者: 伙伴 時間: 2025-3-23 03:59 作者: 新娘 時間: 2025-3-23 07:27
Book 2002 related to impact cratering - geology, geophysics, paleontology, geochemistry, mineralogy, petrology, planetolgy, etc. Future volumes will include monographs, field guides, conference proceedings, etc. All contributions in this book were peer-reviewed to ensure high scientific quality. The thirteen作者: dandruff 時間: 2025-3-23 10:43
https://doi.org/10.1007/978-3-642-99491-3s, on samples obtained by a micro drilling procedure. The iridium contents of the burrow fillings vary from 50 ppt about 20 cm below the impactoclastic layer to 280 ppt within the layer, depending upon the stratigraphic level where burrowing began. The stratigraphic distribution of Ir is the result of both bioturbation and chemical diffusion.作者: notice 時間: 2025-3-23 17:07
Effects of Bioturbation through the Late Eocene Impactoclastic Layer near Massignano, Italy,s, on samples obtained by a micro drilling procedure. The iridium contents of the burrow fillings vary from 50 ppt about 20 cm below the impactoclastic layer to 280 ppt within the layer, depending upon the stratigraphic level where burrowing began. The stratigraphic distribution of Ir is the result of both bioturbation and chemical diffusion.作者: 詩集 時間: 2025-3-23 19:17 作者: Foreshadow 時間: 2025-3-24 01:00 作者: SEVER 時間: 2025-3-24 06:07 作者: 瑣事 時間: 2025-3-24 10:23
Outsourcing: Unternehmen ohne Grenzen,s of the ejecta-bearing strata of corehole 7430/10-U-01, located 30 km north-east of the Mj?lnir Crater, have revealed a high abundance of marine Prasinophyceae algae (mainly .) and a minor abundance peak of freshwater algae (juvenile .). The highest concentrations of algae occur in the ejecta unit 作者: Preserve 時間: 2025-3-24 13:53 作者: creditor 時間: 2025-3-24 17:08 作者: extract 時間: 2025-3-24 21:40
,Ans?tze zur Gestaltung der Fertigungstiefe,an. In the Bidart section, one specimen was discovered less than five centimetres below the boundary clay layer. It contains a small, but significant amount of iridium and a few crystals of Ni-rich spinel, two markers of the K/T cosmic event. These findings support the idea that ammonites existed up作者: Encephalitis 時間: 2025-3-25 02:05
Die strategische Ressource ?Data Warehouse“zil, provides evidence supporting the interpretation that the impact of a bolide has caused the widespread biotic extinction at the end of the Cretaceous. New considerations relating to the distribution of iridium and fluorine, as well the occurrence of shocked quartz, spherules, tsunamite bed, biot作者: 共棲 時間: 2025-3-25 04:08 作者: 共同確定為確 時間: 2025-3-25 10:27
Die strukturelle Ertragsschw?che der Bankenrmany. The destruction was only of local importance. The ecosystem was quickly, about 100 years later, reconstituted by the same rich subtropical vegetation and vertebrates. The fluviatile ecosystem of the “Upper Freshwater Molasse” accelerated the re-colonization. This fast reorganization of the ec作者: OASIS 時間: 2025-3-25 14:47
,Pr?valenz der stummen Myokardisch?mie,lculate the radiation impulse on the Earth’s surface and to estimate the area of possible wildfires. The results show that direct plume radiation could be responsible for ignition of fires in an area of about 3-10% of the total Earth’s surface. Some other possible mechanisms of global wildfires orig作者: 真 時間: 2025-3-25 16:58 作者: pulmonary 時間: 2025-3-25 21:46 作者: ASSAY 時間: 2025-3-26 01:07 作者: 阻塞 時間: 2025-3-26 07:47
978-3-642-63960-9Springer-Verlag Berlin Heidelberg 2002作者: 薄荷醇 時間: 2025-3-26 10:05 作者: 招待 時間: 2025-3-26 14:47
,Einführung in die Bildmessung, from samples collected close to the Frasnian/Famennian boundary in principal reference sections all over the world. Their study shows that about 75% of all marine species disappeared abruptly close to this boundary.作者: VEIL 時間: 2025-3-26 18:46 作者: savage 時間: 2025-3-26 22:37 作者: 合適 時間: 2025-3-27 05:09 作者: 大都市 時間: 2025-3-27 08:15
Zusammenfassung /Ergebnis der Arbeit, show some synchroneity within the area. Organic geochemical data were compared to mineralogical data from the same samples. The amounts of organic matter vary with distance from the palaeocoastline but similar organic molecules are found in each sample. Both the inorganic and organic constituents p作者: 無禮回復(fù) 時間: 2025-3-27 10:03 作者: PTCA635 時間: 2025-3-27 16:03
Outsourcing: Unternehmen ohne Grenzen,hytoplankton. After tsunami withdrawal from the surrounding land areas, freshwater may have flushed the shelf. This would explain the conspicuous concentration of juvenile freshwater algae in the post- impact beds..Low algal diversity and the total dominance of morphologically uniform leiospheres is作者: esoteric 時間: 2025-3-27 20:22
https://doi.org/10.1007/978-3-322-94184-8apse of their food chain based on plankton. No extinction of planktivorous families, the intermediate level between plankton and piscivores, is observed. This fact is explain by ecological reasons (representatives of these families were living in brackish or freshwater) and by taxonomical reasons (p作者: Meditate 時間: 2025-3-28 00:14
Die strategische Ressource ?Data Warehouse“on is determined by micropalaentological considerations, stable isotope data, and the presence of phosphatised fragments. Most of the particular characteristics described here, such as the geochemical anomalies (iridium, total organic carbon and fluorine) and the presence of a tsunami deposit, of po作者: 表狀態(tài) 時間: 2025-3-28 05:56
Geological and Biological Effects of Impact Events作者: CRAB 時間: 2025-3-28 06:34 作者: 中國紀(jì)念碑 時間: 2025-3-28 10:28
Book 2002our activities, can be found on the web at . The IMPACT programme has currently 15 member nations from allover Europe. The activities of the programme range from workshops to specific topics regarding impact cratering, short courses on impact stratigraphy, shock metamorphism, etc. , mobility grants 作者: 現(xiàn)任者 時間: 2025-3-28 15:55 作者: Cultivate 時間: 2025-3-28 22:36 作者: 公共汽車 時間: 2025-3-28 23:09 作者: 開始從未 時間: 2025-3-29 04:12
Effects of the Cretaceous-Tertiary Boundary Event on Bony Fishes,apse of their food chain based on plankton. No extinction of planktivorous families, the intermediate level between plankton and piscivores, is observed. This fact is explain by ecological reasons (representatives of these families were living in brackish or freshwater) and by taxonomical reasons (p作者: expire 時間: 2025-3-29 08:53
,Petrographic and Geochemical Studies in the Cretaceous-Tertiary Boundary, Pernambuco — Paraíba Basion is determined by micropalaentological considerations, stable isotope data, and the presence of phosphatised fragments. Most of the particular characteristics described here, such as the geochemical anomalies (iridium, total organic carbon and fluorine) and the presence of a tsunami deposit, of po作者: leniency 時間: 2025-3-29 14:12
Ostracods Prove that the Frasnian/Famennian Boundary Mass Extinction was a Major and Abrupt Crisis, from samples collected close to the Frasnian/Famennian boundary in principal reference sections all over the world. Their study shows that about 75% of all marine species disappeared abruptly close to this boundary.作者: anus928 時間: 2025-3-29 19:00
Lateral Variations in End-Permian Organic Matter in Northern Italy,stry of the oceans. The cause of these disturbances remains controversial. One valuable source of information for the end-Permian event is that contained within sedimentary organic matter. We have used organic geochemical methods to investigate end-Permian organic matter in the Dolomites of northern作者: 侵略主義 時間: 2025-3-29 23:17
Stable-Isotope and Trace Element Stratigraphy of the Jurassic/Cretaceous Boundary, Bosso River Gorgact structure, was found to have a radiometric age (145 Ma) indistinguishable from the stratigraphic age of the J/K boundary. Thus, it is conceivable that at the boundary, if indeed coeval with this impact structure, a record of the environmental changes associated with the impact event might exist.作者: 關(guān)節(jié)炎 時間: 2025-3-29 23:53 作者: Endearing 時間: 2025-3-30 04:41 作者: 獎牌 時間: 2025-3-30 09:53
Effects of the Cretaceous-Tertiary Boundary Event on Bony Fishes,oncerning bony fishes occurrences ranging from the Late Jurassic to the Paleocene, and resting on more than 750 references. The quality of the fossil record of bony fishes during the Campanian-Danian span is checked by calculation of the simple completeness metric (SCM). The analysis shows that (1)
