Zobrazeno 1 - 10
of 10
pro vyhledávání: '"R. A. Hodkinson"'
Publikováno v:
Marine Georesources & Geotechnology. 20:51-72
Manganese crusts recovered from sediment sections at Ocean Drilling Programme (ODP) Sites 835 and 838 in the Lau Basin have been studied mineralogically and by bulk and partition geochemical techniques. Results show they are of hydrothermal rather th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b295f817135f0f979f84639e14e7eb9f
https://doi.org/10.1080/106411902753556852
https://doi.org/10.1080/106411902753556852
Publikováno v:
Marine Georesources & Geotechnology. 19:245-268
Hydrothermal Mn-oxide deposits from the Tonga-Kermadec Ridge and the Valu Fa Ridge back-arc spreading center in the Lau Basin have been studied mineralogically and by bulk and partition geochemical techniques. The Mn-oxides are present as three main
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8664f53c34fd367a4527b6d51d9d2cfc
https://doi.org/10.1080/106411901753335326
https://doi.org/10.1080/106411901753335326
Publikováno v:
Marine Georesources & Geotechnology. 18:77-118
Seven sediment cores from the Palaea and Nea Kameni hydrothermal embayments (PK and NK) on Santorini have been studied by using sediment smear slides, X-ray diffraction, and radiocarbon techniques to determine their lithology, mineralogy, and age, re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e883a7ae7f4790c4940fef42713b7053
https://doi.org/10.1080/10641190009353783
https://doi.org/10.1080/10641190009353783
Autor:
D. S. Cronan, R. A. Hodkinson
Publikováno v:
Geological Society, London, Special Publications. 87:231-248
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::159c4cc5bc628d394dcff078973e1afc
https://doi.org/10.1144/gsl.sp.1995.087.01.19
https://doi.org/10.1144/gsl.sp.1995.087.01.19
Publikováno v:
Geochimica et Cosmochimica Acta. 58:5011-5029
Hydrothermal Mn crusts from a submarine volcano in the Pitcairn Island region have been studied mineralogically, radiometrically, and by bulk and partition chemical techniques. The crusts contain layers that comprise three morphological types. A mech
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::452e8a98352ad6d6d869e79052e68724
https://doi.org/10.1016/0016-7037(94)90228-3
https://doi.org/10.1016/0016-7037(94)90228-3
Autor:
R. A. Hodkinson, D. S. Cronan
Publikováno v:
Journal of the Geological Society. 151:391-401
Supply of metals to manganese nodules in the south equatorial Pacific is heavily dependent on variations in biological productivity. In the northern part of the Aitutaki-Jarvis transect, under high biological productivity in the surface waters, there
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::888d182f4be69438208bd17191a884bb
https://doi.org/10.1144/gsjgs.151.2.0391
https://doi.org/10.1144/gsjgs.151.2.0391
Publikováno v:
Marine Georesources & Geotechnology. 12:83-129
Some 600 surface sediment samples from the Hellenic Volcanic Arc region have been analyzed by bulk and HCl selective leach geochemical techniques. Geostatisti‐cal analysis, followed by further selective leaches on a number of samples, has been used
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::02da954ce84310f113564b9153671bce
https://doi.org/10.1080/10641199409388257
https://doi.org/10.1080/10641199409388257
Autor:
D. S. Cronan, R. A. Hodkinson
Publikováno v:
Marine Georesources & Geotechnology. 11:153-174
An evaluation of all available manganese nodule and cobalt‐rich crust data in the Exclusive Economic Zone (EEZ) of the Ellice Islands, Republic of Tuvalu, has been carried out. The results show manganese nodules in abundances of greater than 5 kg/m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5e8436ef55102716bce7813518bd4af1
https://doi.org/10.1080/10641199309379913
https://doi.org/10.1080/10641199309379913
Publikováno v:
Chinese Journal of Oceanology and Limnology. 9:347-357
Manganese nodules collected from the North Penrhyn Basin are characterized by low content of Mn and Fe, medium content of Ni and Cu, and medium Mn/Fe ratios. The average content of Ni plus Co is 1.11%, maximum 1.89%. Ni content slightly exceeds the C
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7ee9a02eaf11e9d70a99d5df297bec16
https://doi.org/10.1007/bf02850650
https://doi.org/10.1007/bf02850650
Publikováno v:
Eos, Transactions American Geophysical Union. 78:341
On July 18, 1995, after more than 350 years of quiescence, the Soufriere Hills volcano on the West Indian island of Montserrat erupted. The eruption occurred in English's Crater in the Soufriere Hills (Figure 1). Study of the hydrothermal discharges
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d0d77376e634601bf7bb8c574137b328
https://doi.org/10.1029/97eo00221
https://doi.org/10.1029/97eo00221