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  • 04ROV_S1; 104ROV_1; 111ROV_3; 111ROV_4; 111ROV_5; 127ROV_1; 149ROV_4; 14ROV_1; 161ROV_2; 161ROV_4; 161ROV_5; 188ROV_1; 213ROV_2; 228ROV_4; 67ROV_1; 67ROV_2; 67ROV_3; 67ROV_5; 67ROV_8; 75ROV_1; 75ROV_2; 75ROV_3; 75ROV_5; 75ROV_6; 80ROV_1; 80ROV_6; 80ROV_7; 80ROV_8; 80ROV_9; Aluminium oxide; Aluminium oxide, standard deviation; Calcium oxide; Calcium oxide, standard deviation; Comment; Date; Date/Time of event; DEPTH, water; Electron microprobe JEOL JXA-8200; Event label; Geochemical data; Grab; GRAB; Identification; Iron oxide, FeO; Iron oxide, FeO, standard deviation; Latitude of event; Longitude of event; Magnesium oxide; Magnesium oxide, standard deviation; Major element; Manganese oxide; Manganese oxide, standard deviation; Maria S. Merian; MSM75; MSM75_100-1; MSM75_101-1; MSM75_102-1; MSM75_103-1; MSM75_104-1_1; MSM75_108-1; MSM75_111-1_3; MSM75_111-1_4; MSM75_111-1_5; MSM75_117-1; MSM75_118-1; MSM75_119-1; MSM75_121-1; MSM75_122-1; MSM75_127-1_1; MSM75_129-1; MSM75_131-1; MSM75_132-1; MSM75_133-1; MSM75_134-1; MSM75_139-1; MSM75_140-1; MSM75_14-1_1; MSM75_141-1; MSM75_142-1; MSM75_143-1; MSM75_144-1; MSM75_145-1; MSM75_148-1; MSM75_149-1_4; MSM75_150-1; MSM75_152-1; MSM75_153-1; MSM75_154-1; MSM75_155-1; MSM75_156-1; MSM75_157-1; MSM75_158-1; MSM75_159-1; MSM75_160-1; MSM75_161-1_2; MSM75_161-1_4; MSM75_161-1_5; MSM75_162-1; MSM75_163-1; MSM75_164-1; MSM75_165-1; MSM75_166-1; MSM75_167-1; MSM75_168-1; MSM75_169-1; MSM75_172-1; MSM75_173-1; MSM75_174-1; MSM75_175-1; MSM75_176-1; MSM75_177-1; MSM75_178-1; MSM75_179-1; MSM75_180-1; MSM75_181-1; MSM75_182-1; MSM75_183-1; MSM75_184-1; MSM75_185-1; MSM75_186-1; MSM75_187-1; MSM75_188-1_1; MSM75_189-1; MSM75_190-1; MSM75_191-1; MSM75_192-1; MSM75_193-1; MSM75_194-1; MSM75_195-1; MSM75_196-1; MSM75_197-1; MSM75_198-1; MSM75_199-1; MSM75_200-1; MSM75_201-1; MSM75_202-1; MSM75_203-1; MSM75_205-1; MSM75_206-1; MSM75_207-1; MSM75_208-1; MSM75_209-1; MSM75_213-1_2; MSM75_228-1_4; MSM75_229-1; MSM75_230-1; MSM75_231-1; MSM75_234-1; MSM75_235-1; MSM75_236-1; MSM75_237-1; MSM75_238-1; MSM75_239-1; MSM75_240-1; MSM75_241-1; MSM75_242-1; MSM75_244-1; MSM75_245-1; MSM75_247-1; MSM75_248-1; MSM75_249-1; MSM75_250-1; MSM75_252-1; MSM75_253-1; MSM75_255-1; MSM75_256-1; MSM75_257-1; MSM75_259-1; MSM75_260-1; MSM75_261-1; MSM75_262-1; MSM75_263-1; MSM75_264-1; MSM75_265-1; MSM75_266-1; MSM75_267-1; MSM75_268-1; MSM75_269-1; MSM75_270-1; MSM75_271-1; MSM75_272-1; MSM75_274-1; MSM75_275-1; MSM75_276-1; MSM75_4-1_S1; MSM75_41-1; MSM75_42-1; MSM75_44-1; MSM75_45-1; MSM75_46-1; MSM75_48-1; MSM75_49-1; MSM75_50-1; MSM75_51-1; MSM75_52-1; MSM75_53-1; MSM75_54-1; MSM75_56-1; MSM75_67-1_1; MSM75_67-1_2; MSM75_67-1_3; MSM75_67-1_5; MSM75_67-1_8; MSM75_75-1_1; MSM75_75-1_2; MSM75_75-1_3; MSM75_75-1_5; MSM75_75-1_6; MSM75_79-3; MSM75_80-1_1; MSM75_80-1_6; MSM75_80-1_7; MSM75_80-1_8; MSM75_80-1_9; MSM75_86-1; MSM75_87-1; MSM75_88-1; MSM75_89-1; MSM75_91-1; MSM75_92-1; MSM75_94-1; MSM75_96-1; MSM75_97-1; MSM75_98-1; Oxides, total; Phosphorus pentoxide; Phosphorus pentoxide, standard deviation; Potassium oxide; Potassium oxide, standard deviation; Reykjanes; ROCK; Rock sample; Sample code/label; Silicon dioxide; Silicon dioxide, standard deviation; Sodium oxide; Sodium oxide, standard deviation; Standard deviation; Titanium dioxide; Titanium dioxide, standard deviation; Wax Corer; WC  (1)
  • 180-1108B; 180-1109; 180-1109C; 180-1112A; 180-1115; 180-1118A; COMPCORE; Composite Core; DRILL; Drilling/drill rig; Joides Resolution; Leg180; Ocean Drilling Program; ODP; Solomon Sea  (1)
Document type
Keywords
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Years
  • 1
    facet.materialart.
    Unknown
    Major element composition of glass samples from Maria S. Merian cruise MSM75 along the Reykjanes Ridge (2023)
    PANGAEA
    Details
    Publication Date: 2024-02-02
    Description: During the MSM75 expedition on the Reykjanes Ridge, basaltic rocks and glass fragments were sampled using the remotely operated vehicle ROV PHOCA (Geomar) and a wax corer. Geochemical analyses have been performed on glass fragments of 171 samples, including 29 collected during ROV dives and 141 using the wax corer (VSR) and 1 sample using a grab (VVG). The major element contents of glasses were determined on a JEOL JXA-8200 Superprobe electron microprobe at GEOMAR using a 15 kV accelerating voltage on December 19th, 2018 and May 21st and 22nd, 2019. Matrix glasses were analyzed using a beam diameter of 5 μm, 10 nA beam current, and VGA 99 (USNM 113498/1) and VG-2 (USNM 111240) as standards (Jarosewich, 2002). Peak and background counting times were generally 20 s and 10 s, respectively.
    Keywords: 04ROV_S1; 104ROV_1; 111ROV_3; 111ROV_4; 111ROV_5; 127ROV_1; 149ROV_4; 14ROV_1; 161ROV_2; 161ROV_4; 161ROV_5; 188ROV_1; 213ROV_2; 228ROV_4; 67ROV_1; 67ROV_2; 67ROV_3; 67ROV_5; 67ROV_8; 75ROV_1; 75ROV_2; 75ROV_3; 75ROV_5; 75ROV_6; 80ROV_1; 80ROV_6; 80ROV_7; 80ROV_8; 80ROV_9; Aluminium oxide; Aluminium oxide, standard deviation; Calcium oxide; Calcium oxide, standard deviation; Comment; Date; Date/Time of event; DEPTH, water; Electron microprobe JEOL JXA-8200; Event label; Geochemical data; Grab; GRAB; Identification; Iron oxide, FeO; Iron oxide, FeO, standard deviation; Latitude of event; Longitude of event; Magnesium oxide; Magnesium oxide, standard deviation; Major element; Manganese oxide; Manganese oxide, standard deviation; Maria S. Merian; MSM75; MSM75_100-1; MSM75_101-1; MSM75_102-1; MSM75_103-1; MSM75_104-1_1; MSM75_108-1; MSM75_111-1_3; MSM75_111-1_4; MSM75_111-1_5; MSM75_117-1; MSM75_118-1; MSM75_119-1; MSM75_121-1; MSM75_122-1; MSM75_127-1_1; MSM75_129-1; MSM75_131-1; MSM75_132-1; MSM75_133-1; MSM75_134-1; MSM75_139-1; MSM75_140-1; MSM75_14-1_1; MSM75_141-1; MSM75_142-1; MSM75_143-1; MSM75_144-1; MSM75_145-1; MSM75_148-1; MSM75_149-1_4; MSM75_150-1; MSM75_152-1; MSM75_153-1; MSM75_154-1; MSM75_155-1; MSM75_156-1; MSM75_157-1; MSM75_158-1; MSM75_159-1; MSM75_160-1; MSM75_161-1_2; MSM75_161-1_4; MSM75_161-1_5; MSM75_162-1; MSM75_163-1; MSM75_164-1; MSM75_165-1; MSM75_166-1; MSM75_167-1; MSM75_168-1; MSM75_169-1; MSM75_172-1; MSM75_173-1; MSM75_174-1; MSM75_175-1; MSM75_176-1; MSM75_177-1; MSM75_178-1; MSM75_179-1; MSM75_180-1; MSM75_181-1; MSM75_182-1; MSM75_183-1; MSM75_184-1; MSM75_185-1; MSM75_186-1; MSM75_187-1; MSM75_188-1_1; MSM75_189-1; MSM75_190-1; MSM75_191-1; MSM75_192-1; MSM75_193-1; MSM75_194-1; MSM75_195-1; MSM75_196-1; MSM75_197-1; MSM75_198-1; MSM75_199-1; MSM75_200-1; MSM75_201-1; MSM75_202-1; MSM75_203-1; MSM75_205-1; MSM75_206-1; MSM75_207-1; MSM75_208-1; MSM75_209-1; MSM75_213-1_2; MSM75_228-1_4; MSM75_229-1; MSM75_230-1; MSM75_231-1; MSM75_234-1; MSM75_235-1; MSM75_236-1; MSM75_237-1; MSM75_238-1; MSM75_239-1; MSM75_240-1; MSM75_241-1; MSM75_242-1; MSM75_244-1; MSM75_245-1; MSM75_247-1; MSM75_248-1; MSM75_249-1; MSM75_250-1; MSM75_252-1; MSM75_253-1; MSM75_255-1; MSM75_256-1; MSM75_257-1; MSM75_259-1; MSM75_260-1; MSM75_261-1; MSM75_262-1; MSM75_263-1; MSM75_264-1; MSM75_265-1; MSM75_266-1; MSM75_267-1; MSM75_268-1; MSM75_269-1; MSM75_270-1; MSM75_271-1; MSM75_272-1; MSM75_274-1; MSM75_275-1; MSM75_276-1; MSM75_4-1_S1; MSM75_41-1; MSM75_42-1; MSM75_44-1; MSM75_45-1; MSM75_46-1; MSM75_48-1; MSM75_49-1; MSM75_50-1; MSM75_51-1; MSM75_52-1; MSM75_53-1; MSM75_54-1; MSM75_56-1; MSM75_67-1_1; MSM75_67-1_2; MSM75_67-1_3; MSM75_67-1_5; MSM75_67-1_8; MSM75_75-1_1; MSM75_75-1_2; MSM75_75-1_3; MSM75_75-1_5; MSM75_75-1_6; MSM75_79-3; MSM75_80-1_1; MSM75_80-1_6; MSM75_80-1_7; MSM75_80-1_8; MSM75_80-1_9; MSM75_86-1; MSM75_87-1; MSM75_88-1; MSM75_89-1; MSM75_91-1; MSM75_92-1; MSM75_94-1; MSM75_96-1; MSM75_97-1; MSM75_98-1; Oxides, total; Phosphorus pentoxide; Phosphorus pentoxide, standard deviation; Potassium oxide; Potassium oxide, standard deviation; Reykjanes; ROCK; Rock sample; Sample code/label; Silicon dioxide; Silicon dioxide, standard deviation; Sodium oxide; Sodium oxide, standard deviation; Standard deviation; Titanium dioxide; Titanium dioxide, standard deviation; Wax Corer; WC
    Type: Dataset
    Format: text/tab-separated-values, 29493 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
    facet.materialart.
    Unknown
    Chemical composition of Late Cenozoic volcanic and volcaniclastic deposits from the western Woodlark Basin area, SW Pacific (2003)
    PANGAEA
    In:  Supplement to: Lackschewitz, Klas Sven; Mertz, Dieter F; Devey, Colin W; Garbe-Schönberg, Dieter (2003): Late Cenozoic volcanism in the western Woodlark Basin area, SW Pacific: the sources of marine volcanic ash layers based on their elemental and Sr–Nd isotope compositions. Bulletin of Volcanology, 65(2-3), 182-200, https://doi.org/10.1007/s00445-002-0252-z
    Details
    Publication Date: 2024-01-09
    Description: Tephra fallout layers and volcaniclastic deposits, derived from volcanic sources around and on the Papuan Peninsula, form a substantial part of the Woodlark Basin marine sedimentary succession. Sampling by the Ocean Drilling Program Leg 180 in the western Woodlark Basin provides the opportunity to document the distribution of the volcanically-derived components as well as to evaluate their chronology, chemistry, and isotope compositions in order to gain information on the volcanic sources and original magmatic systems. Glass shards selected from 57 volcanogenic layers within the sampled Pliocene–Pleistocene sedimentary sequence show predominantly rhyolitic compositions, with subordinate basaltic andesites, basaltic trachy-andesites, andesites, trachy-andesites, dacites, and phonolites. It was possible to correlate only a few of the volcanogenic layers between sites using geochemical and age information apparently because of the formation of strongly compartmentalised sedimentary realms on this actively rifting margin. In many cases it was possible to correlate Leg 180 volcanic components with their eruption source areas based on chemical and isotope compositions. Likely sources for a considerable number of the volcanogenic deposits are Moresby and Dawson Strait volcanoes (D'Entrecasteaux Islands region) for high-K calc-alkaline glasses. The Dawson Strait volcanoes appear to represent the source for five peralkaline tephra layers. One basaltic andesitic volcaniclastic layer shows affinities to basaltic andesites from the Woodlark spreading tip and Cheshire Seamount. For other layers, a clear identification of the sources proved impossible, although their isotope and chemical signatures suggest similarities to south-west Pacific subduction volcanism, e.g. New Britain and Tonga– Kermadec island arcs. Volcanic islands in the Trobriand Arc (for example, Woodlark Island Amphlett Islands and/or Egum Atoll) are probable sources for several volcaniclastic layers with ages between 1.5 to 3 Ma. The Lusancay Islands can be excluded as a source for the volcanogenic layers found during Leg 180. Generally, the volcanogenic layers indicate much calc-alkaline rhyolitic volcanism in eastern Papua since 3.8 Ma. Starting at 135 ka, however, peralkaline tephra layers appear. This geochemical change in source characteristics might reflect the onset of a change in geotectonic regime, from crustal subduction to spreading, affecting the D'Entrecasteaux Islands region. Initial 143Nd/144Nd ratios as low as 0.5121 and 0.5127 for two of the tephra layers are interpreted as indicating that D'Entrecasteaux Islands volcanism younger than 2.9 Ma occasionally interacted with the Late Archean basement, possibly reflecting the mobilisation of the deep continental crust during active rift propagation.
    Keywords: 180-1108B; 180-1109; 180-1109C; 180-1112A; 180-1115; 180-1118A; COMPCORE; Composite Core; DRILL; Drilling/drill rig; Joides Resolution; Leg180; Ocean Drilling Program; ODP; Solomon Sea
    Type: Dataset
    Format: application/zip, 16 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
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