Geochemsitry of minerals and glass shards at DSDP Leg 67 Holes
Cobertura |
MEDIAN LATITUDE: 12.787200 * MEDIAN LONGITUDE: -90.912845 * SOUTH-BOUND LATITUDE: 12.496300 * WEST-BOUND LONGITUDE: -91.037700 * NORTH-BOUND LATITUDE: 13.063700 * EAST-BOUND LONGITUDE: -90.795200 * DATE/TIME START: 1979-05-17T00:00:00 * DATE/TIME END: 1979-06-01T00:00:00 |
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Data(s) |
25/07/1982
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Resumo |
During Leg 67, the Middle-America Trench transect off Guatemala was drilled across the convergent margin of southern Mexico and Central America south of the Tehuantepec Ridge. The data of Leg 66, north of the Tehuantepec Ridge, and that of Leg 67 provided the opportunity to establish a continuous chronology of airborne volcanic ashes intercalated within the sediments (Aubouin et al., 1979; von Huene et al., 1980). Sites of both expeditions are favorably located for obtaining a good record of the explosive volcanicity of these areas, given the proximity of the volcanic sources and the position of the sites under the prevailing winds. |
Formato |
application/zip, 2 datasets |
Identificador |
https://doi.pangaea.de/10.1594/PANGAEA.817226 doi:10.1594/PANGAEA.817226 |
Idioma(s) |
en |
Publicador |
PANGAEA |
Direitos |
CC-BY: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted |
Fonte |
Supplement to: Cadet, Jean-Paul; Pouclet, André; Thisse, Yves; Bardintzeff, Jacques Marie; Azéma, Jacques (1982): Middle America Neogene explosive volcanism and ash layers: Evidence from the Middle America Trench transect, Deep Sea Drilling Project Leg 67. In: Abouin, J; von Huene, R; et al. (eds.), Initial Reports of the Deep Sea Drilling Project (U.S. Govt. Printing Office), 67, 475-491, doi:10.2973/dsdp.proc.67.115.1982 |
Palavras-Chave | #67-494A; 67-495; 67-496; 67-497; Ab; Al; Al2O3; Albite; Aluminium; Aluminium oxide; An; Anorthite; Ca; Calcium; Calcium oxide; Calculated based on oxygen number; CaO; Chronostratigraphic; Corundum; Crn; Deep Sea Drilling Project; Differentiation index; Diff Index; Diposide; DRILL; Drilling/drill rig; DSDP; Electron microprobe; En; Enstatite; Event; Fa; Fayalite; Fe; FeO; Ferrosilite; Fo; Forsterite; Fs; Glomar Challenger; Group; H2O; Hydroxide; ID; Identification; Ilm; Ilmenite; Iron 2+ and 3+; Iron oxide, FeO; K; K2O; Label; Leg67; Magnesium; Magnesium oxide; Manganese; Manganese oxide; Mg; MgO; Minerals; Mn; MnO; Na; Na2O; North Pacific/SLOPE; North Pacific/TRENCH; ODP sample designation; OH; Olivine; Or; Orthoclase; Potassium; Potassium oxide; Quartz; Qz; Sample code/label; Sample ID; Series; Si; Silicon; Silicon dioxide; SiO2; Sodium; Sodium oxide; Sum; Ti; TiO2; Titanium; Titanium oxide; Total; Total iron; Type; Water in rock; Wo; Wollastonite |
Tipo |
Dataset |