AN IRIDIUM ABUNDANCE ANOMALY AT THE PALYNOLOGICAL CRETACEOUS-TERTIARY BOUNDARY IN NORTHERN NEW-MEXICO

被引：115

作者：

ORTH, CJ

GILMORE, JS

KNIGHT, JD

PILLMORE, CL

TSCHUDY, RH

FASSETT, JE

机构：

[1] US GEOL SURVEY,ALBUQUERQUE,NM 87125

[2] US GEOL SURVEY,DENVER,CO 80225

来源：

SCIENCE | 1981年 / 214卷 / 4527期

关键词：

D O I：

10.1126/science.214.4527.1341

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

引用

页码：1341 / 1342

页数：2

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ALVAREZ, W ;

ASARO, F ;

MICHEL, HV .

SCIENCE, 1980, 208 (4448) :1095-1108

[2] A MAJOR METEORITE IMPACT ON THE EARTH 65 MILLION YEARS AGO - EVIDENCE FROM THE CRETACEOUS-TERTIARY BOUNDARY CLAY [J].

GANAPATHY, R .

SCIENCE, 1980, 209 (4459) :921-923

[3]

GILMORE JS, 1979, COLLECTED RADIOCHEMI, P66

[4]

KENT DV, 1980, SCIENCE, V211, P649

[5]

KYTE FT, 1981, 12TH LUN PLAN SCI C

[6]

PILLMORE CL, 1969, 1969 GEOLOGICAL MAP

[7] AN EXTRATERRESTRIAL EVENT AT THE CRETACEOUS-TERTIARY BOUNDARY [J].

SMIT, J ;

HERTOGEN, J .

NATURE, 1980, 285 (5762) :198-200

[8]

TSCHUDY, 1973, CRETACEOUS TERTIARY, P131

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