Upper Eocene impact ejecta/spherule layers in marine sediments

Chemie der Erde

Volumn 62, Issue 3, 2002, Pages 173-196

  Glass, B P ^a  

^a UNIVERSITY OF DELAWARE   (United States)

Author keywords

Chesapeake Bay structure; Clinopyroxene bearing spherules; Impact ejecta; Microkrystites; Microtektites; Popigai crater; Tektite strewn field; Upper Eocene

Indexed keywords

CLINOPYROXENE; EJECTA; EOCENE; IMPACT STRUCTURE; MARINE SEDIMENT; SPHERULE; TEKTITE;

ATLANTIC OCEAN; CARIBBEAN SEA; GULF OF MEXICO;

EID: 0036744991     PISSN: 00092819     EISSN: None     Source Type: Journal    
DOI: 10.1078/0009-2819-00017     Document Type: Review

References (80)

1. New potassium-argon ages for georgiaites and the upper Eocene Dry Branch Formation (Twiggs Clay Member): Inferences about tektite stratigraphic occurrence
2. Major and trace element compositions of georgiaites: Clues to the source of North American tektites
3. The age of the Popigai impact event and its relation to events at the Eocene/Oligocene boundary
4. The petrographic and chemical characteristics of tektites
5. Shocked quartz from the late Eocene: Impact evidence from Massignano, Italy
6. Martha's vineyard and Georgia tektites: New chemical data
7. Major element compositional variation within and between different late Eocene microtektite strewnfields
8. Electron microprobe and INAA analyses of major and trace element content for six georgiaites
9. Microtektites of late Eocene age from the eastern Caribbean Sea
10. A Cuban tektite
11. Microtektite surface sculpturing
12. Possible correlation between tektite events and climatic changes?
13. Solution of naturally-occurring glasses in the geological environment
14. North American tektite debris and impact ejecta from DSDP Site 612
15. Chronostratigraphy of Upper Eocene microspherules: Comment and reply
16. Source rock and meteoritic contamination of upper Eocene clinopyroxene-bearing spherules
17. Late Eocene crystal-bearing spherules: Two layers or one?
18. Microkrystites: A new term for impact produced glassy spherules containing primary crystallites
19. Age of the Eocene/Oligocene boundary based on extrapolation from North American microtektite layer
20. Ocean Drilling Project Hole 689B spherules and upper Eocene microtektite and clinopyroxene-bearing spherule strewn fields
21. North American microtektites in the Indian Ocean?
22. 4 polymorph in naturally occurring shock-metamorphosed zircons
23. Coesite and shocked quartz discovered in the Australasian and North American microtektite layers
24. North American microtektites in Deep Sea Drilling Project cores from the Caribbean Sea and Gulf of Mexico
25. North American microtektites from the Caribbean Sea and their fission track ages
26. Australasian, Ivory Coast and North American tektite strewn fields: Size, mass and correlation with geomagnetic reversals and other earth events
27. Relationship between an iridium anomaly and the North American microtektite layer in Core RC9-58 from the Caribbean Sea
28. Late Eocene North American microtektites and clinopyroxene-bearing spherules
29. Upper Eocene tektite and impact ejecta layer on the continental slope off New Jersey
30. Trace element study of upper Eocene clinopyroxene-bearing spherules: Preliminary results
31. Reidite: An impact-produced high-pressure polymorph of zircon found in marine sediments
32. The record of terrestrial impact cratering
33. Trace element analyses of some North American tektites
34. Chronostratigraphy of upper Eocene microspherules
35. Geochemical study of microtektites, bediasites, and georgiaites from the upper Eocene North American tektite strewn field
36. Clinopyroxene-bearing glass spherules associated with North American microtektites
37. Multiple microtektite horizons in upper Eocene marine sediments: No evidence for mass extinctions
38. Late Eocene impact microspherules: Stratigraphy, age, and geochemistry
39. Sr, Nd isotope composition of impact melt coated gneissbombs and tagmites, Popigai crater, Russia
40. Major element composition of Georgia tektites
41. The Cuban tektite revisited
42. Chemical composition of North American microtektites and tektite fragments from Barbados and DSDP Site 612 on the continental slope off New Jersey
43. Impact origin of Chesapeake Bay structure and the source of North American tektites
44. Geochemistry of surficial sediments near the Chesapeake Bay impact structure and the search for source rocks of the North American tektites
45. Iridium and spherules in late Eocene impact deposits
46. Characteristics of shocked quartz in late Eocene impact ejecta from Massignano (Ancona, Italy): Clues to shock conditions and source crater
47. Comparison of the stratigraphic relationship of the upper Eocene couplet of microtektites-microkrystites between holes 689D and 689B
48. Upper Eocene impact ejecta/spherule layers in marine sediments: New sites
49. Upper Eocene spherules at Ocean Drilling Project Site 1090B
50. Sr and Nd data for upper Eocene spherule layers
51. Upper Eocene tektites of the New Jersey continental margin, Site 904
52. Biostratigraphy and isotope stratigraphy of Upper Eocene microtektites at Site 612; How many impacts?
53. Radioisotopic dating of the Eocene-Oligocene boundary in the pelagic sequence of the Northern Apennines
54. Iridium anomalies of Late Eocene age at Massignano (Italy), and in ODP Site 689B (Maud Rise, Antarctica)
55. Nd and Sr isotopic compositions of tektite material from Barbados and their relationship to North American tektites
56. Is there more than one glassy impact layer in the later Eocene?
57. Element correlation among North American tektites
58. Extraterrestrial Ni-rich spinel in upper Eocene sediments from Massignano, Italy
59. Late Eocene star wars: The Toms Canyon and Chesapeake Bay impact craters, U.S. East Coast
60. Upper Eocene impactites of the U.S. East Coast: Depositional origins, biostratigraphic framework, and correlation
61. The Toms Canyon structure, New Jersey outer continental shelf: A possible late Eocene impact crater
62. Deep Sea Drilling Project Site 612 bolide event: New evidence of a late Eocene impact-wave deposit and a possible impact site, U.S. East Coast
63. Meteoroid mayhem in Ole Virginny: Source of the North American tektite strewn field
64. Deep corehole and seismic reflection data provide insights into crater-filling processes and the hydrogeology of the outer margin of the Chesapeake Bay impact structure, Eastern Virginia Coastal Plain, USA
65. 4
66. Late Eocene microtektites and radiolarian extinctions on Barbados
67. Stratigraphy of the late Middle Eocene to Early Oligocene in the Bath Cliff section, Barbados, West Indies
68. The chemical composition of tektites
69. Age and provenance of the target materials for tektites and possible impactites as inferred from Sm-Nd and Rb-Sr systematics
70. Nd and Sr isotopic evidence for the origin of tektite material from DSDP site 612 off the New Jersey coast
71. Fission track ages of North American tektites
72. A tektite layer in upper Eocene sediments of the New Jersey continental slope (Site 612, Leg 95)
73. Late Eocene microkrystites and microtektites at Maud Rise (Ocean Drilling Project Hole 689B; Southern Ocean) suggest a global extension of the approximately 35.5 Ma Pacific impact ejecta strewn field
74. How many impact-generated microspherule layers in the Upper Eocene?
75. Trace elements in two bediasite tektites
76. Late Eocene impact ejecta: Geochemical and isotopic connections with the Popigai impact structure
77. K-Ar measurements of tektites