961 resultados para Mexico City, Mexico
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Paleomagnetic analyses of the natural remanent magnetization of >1700 vertically oriented sediment samples from Integrated Ocean Drilling Program (IODP) Holes U1319A, U1320A, U1322B, and U1324B in the northern Gulf of Mexico reveal complex magnetostratographic signals for the Brazos-Trinity and Ursa region carried by detrital iron oxide minerals. Additionally, gyroremanent magnetization was observed to form during alternating-field demagnetization of samples containing an enhanced amount of magnetic iron sulfide minerals. Most characteristic remanent magnetization inclinations are reasonable for the site latitudes. Stable declinations allow for azimuth correction of the formerly unoriented drill cores.
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Issued Sept. 1979.
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Mode of access: Internet.
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On t.-p.: No. 495.
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Mode of access: Internet.
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Mode of access: Internet.
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Hearings held April 29, 1975-
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"Referred to the Committee on Foreign Affairs."
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Thesis--Univ. of Pennsylvania.
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"November 1986."
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Cover title.
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"April 21, 1947."
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Cover title.
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Vol. for 1916 issued with title: Annual proceedings.
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"GAO/NSIAD-88-92BR."