All Articles tagged Pacific Ocean
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November 16, 2023 EDT A reconstruction on the evolution of deep-ocean δ66Zn values suggests limited δ66Zn shifts and thus limited changes in the extent of organic zinc burial through the Cenozoic.
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June 01, 1894 EDT Phillips presents chemical analyses of a lava stalagmite and Pele9s hair from Kilauea, collected by W. Libbey, Jr. He abandons the theory of formation of lava stalactites by deposition from...
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March 01, 1893 EDT A comparison, with map and cross sections, of Halemaumau in July 1888 and August 1892. Between July 1888 and March 1891, the broad dome in the caldera was raised 60...
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September 01, 1892 EDT A description, with a map and cross section, of Halemaumau on April 13, 1892. Halemaumau contained a flat lava floor 300 ft below its rim, in the center of which...
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June 01, 1891 EDT An account of changes at Kilauea caldera during February and March 1891. In February several small lava lakes were present on the broad dome which occupied the caldera floor. The...
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June 01, 1889 EDT Dana describes specimens of lava, including lava stalactites, from Mauna Loa and from Kilauea, collected by J.D. Dana and E.S. Baker. The lavas of Mokuaweoweo and Kilauea are found to...
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March 01, 1889 EDT Dana presents a bathymetric map of the Pacific Ocean using recent charts of the Hydrographic Department of the United States and Great Britain. He summarizes facts bearing on a volcanic...
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February 01, 1889 EDT The subjects prominently illustrated by the islands Maui and Oahu are: the conditions of extinct volcanoes in different stages of degradation; the origin of long lines of precipice cutting deeply...
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January 01, 1889 EDT A map and profiles (cross-sections) of Halemaumau, by F.S. Dodge in July 1888, together with other observations by Dodge, confirm Dana9s conclusion that the debris cone had been floated upward...
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January 01, 1889 EDT Merritt describes Mokuaweoweo on July 19, 1888. A cone in the southwest corner was fuming, and many small fumaroles were observed, but there was no other activity. The eastern wall...
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January 01, 1889 EDT The author gives brief notes on the source areas of the eruptions of 1852, 1880, and 1887; the latter was still fuming in July 1888. He postulates that fissures trending...
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July 01, 1888 EDT Brigham compares the appearance of Mokuaweoweo on July 28, 1880 with its appearance in 1870. The name Pohaku Hanalei is applied to what we now call “South Pit,” The lava...
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July 01, 1888 EDT Alexander includes a map of Mauna Loa9s summit, which shows Mokuaweoweo as a broad, central pit, with lunate platforms at both ends connected by gaps, the pits now called the...
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July 01, 1887 EDT A description of Kilauea caldera on July 25, 1880. The central portion of the floor was a gentle, broad dome 350 ft high, partly formed by lava overflow, but partly...
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June 01, 1887 EDT This series of articles, and that following, are Dana9s major contribution to the understanding of Hawaii9s active volcanoes, and form the basis for his later summary in book form (Dana,...
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February 01, 1887 EDT Emerson describes Kilauea caldera between March 24 and April 14, 1886, following the subsidence of March 1886; the paper is accompanied by a map (plate 1). Halemaumau was a great...
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February 01, 1887 EDT Van Slyke describes changes in Kilauea caldera following the visit of J.S. Emerson (1887). Where there had formerly been a deep, conical central pit in Halemaumau, the bottom had become...
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February 01, 1887 EDT Dodge describes Kilauea caldera in October 1886, comparing its appearance with that described by Emerson (1887) 6 months earlier. The cone of loose blocks observed in Halemaumau in July by...
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February 01, 1887 EDT Dana discusses volcanic action in general, with particular reference to Kilauea. He believes Kilauea9s volcanic gases to be largely water vapor, in part based on the lack of effect of...
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March 01, 1883 EDT Dutton describes Kilauea caldera in 1882. The inner pit had been completely filled up, and two lava lakes were active. He gives a good description and a correct explanation of...
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February 01, 1881 EDT Contains account of voyage made by the schooner Yukon (author in charge) Aug. 11-Sept. 10, 1880. Observations were made during the northward voyage at Plover Bay on the Siberian coast...
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August 01, 1879 EDT Dana presents the chemical composition of Pele9s hair from Kilauea, as analyzed by F.J. Allen and O.D. Allen. These analyses supersede one by B. Silliman, Jr., published earlier (Dana, 1849b,...
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December 01, 1871 EDT In July 1869, Kilauea caldera was very quiet, similar to its condition in July 1868. From April to October, 1870, repeated overflows occurred, and by August 1871, the south lake...
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January 01, 1870 EDT Alexander gives a laymen9s description of Haleakala Crater and its rock formations. He made a map of the crater (not shown in the article). As to the origin of the...
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January 01, 1869 EDT Coan describes the seismic disturbances and eruptions of 1868, including a thorough description of damage done by the earthquake of April 2, 1868. Aftershocks were still being recorded at the...