 | Garrison, Jennifer M., Sims, Kenneth W. W., Yogodzinski, Gene M., Escobar, Ricardo D., Scott, Sean, Mothes, Patricia, Hall, Minard L., Ramon, Patricio (2018) Shallow-level differentiation of phonolitic lavas from Sumaco Volcano, Ecuador. Contributions to Mineralogy and Petrology, 173 (1) doi:10.1007/s00410-017-1431-4 | Journal (article/letter/editorial) | | differentiation of phonolitic lavas from Sumaco Volcano, Ecuador Jennifer M. Garrison1 · Kenneth W. W. Sims2...Springer Nature 2018 Abstract Sumaco Volcano is located in the rear-arc of Ecuador and produces phonolitic...shallow depths in highly oxidizing conditions. The Sumaco mineral assemblages and geochemistry indicate that...that its unique magma source is confined to this volcano. The high temperature and sulfate-saturated conditions...An important conclusion of this research is that Sumaco does not represent typical rear-arc subduction |  | Barragan, Roberto, Geist, Dennis, Hall, Minard, Larson, Peter, Mark Kurz, (1998) Subduction controls on the compositions of lavas from the Ecuadorian Andes. Earth and Planetary Science Letters, 154 (1) 153-166 doi:10.1016/s0012-821x(97)00141-6 | Journal (article/letter/editorial) | | Geofisico, Escuela Politecnica Nacional, Quito, Ecuador c Geology Department, Washington State UniÕersity...of the Ecuadorian Andes, Atacazo, Antisana, and Sumaco, lie in a transect perpendicular to the trench...input. q 1998 Elsevier Science B.V. Keywords: Ecuador; Andes; subduction; andesites; assimilation 1...Present address: Oryx Ecuador Energy Company, P.O. Box 17-11-6545, Quito, Ecuador. 1 of magmas at an active...(1998) 153–166 Fig. 1. Terrane map of northern Ecuador Žadapted from w6,8x.. Closed triangles are volcanoes |  | | Report (issue) | | 11 The metamorphic belts of Ecuador The metamorphic belts of Ecuador CQVer photograph Cerro Hermoso... OVERSEAS MEMOIR 11 The metamorphic belts of Ecuador M Litherland,] A Aspden and RAJemielita Keyworth...andjf.MIEl,ITA, RA. )994. The metamorphic belts of Ecuador. Overseas Memofr of the British Geologi-cal Survey...7 Andean metallogenesis 9 Metamorphic rocks of Ecuador l0 Stratigraphical nomenclature 10 Metamorphic...15 16 17 18 19 Geomorphological framework of Ecuador 1 Location of the metamorphic/plutonic belts 4 |  | | Book | | % glass and phenocrysts of labradorite (20 %), augite and some grains of olivine, would be designated...distinguish between augite, subcalcic augite, pigeonite, titanaugite, aegirine-augite and aegirine, as well... biotite - water -> leucite 1S + subcalcic augite + olivine + iron ore or if sufficient silica...Sodalite group Orthopyroxenes Augite Subcalcic augite Pigeonite Aegirine-augite Amphiboles Biotite Muscovite...micro-phenocrysts or inclusions in phenocrysts of augite, olivine, etc. 2. Opaque powdery crystallization |  | | Book | | unusual rock type is found only at Oldoinyo Lengai volcano in Tanzania. CaO calciocarbonatite 20 20 magnesiocarbonatite...> hornblende, hornblende, Ti-augite, ±diopsidic augite, diopsidic augite, olivine, biotite ±olivine (±olivine)...constraints from the Barkly-West District, northern Cape Province, South Africa. Fifth International Kimberlite...implemented, e.g. titanaugit has been changed to titanian augite. However, in many cases it was felt inappropriate...containing phenocrysts of olivine and augite in a groundmass of augite, calcic plagioclase, alkali feldspar |  | | Book | | silicon], apaneite [apatite + nepheline], auganite [augite + andesite], coralgal [coral + algae], criquina...places and peoples also are represented: Brazil, Ecuador, Hawaii, Madagascar, Mexico, Peru; Armoricans,...prthopyroxene rather than clinopyroxene by International (augite). [Norge (Norway), original locality) Union of...and augite but no feldspar, in a groundmass of labradorite with orthoclase rims, olivine, augite, and...chondrule] achondrite, augite meteor. Stony meteorite consisting of more than 90% augite with traces of olivine |  | | Book | | Continental Sub-Plate Chocó Arc Caribbean Large Igneous Province Central Tectonic Realm circa, approximately centimeter...under the Putumayo basin. In Ecuador, the GSR underlies the Putumayo-Napo basin, the 1 Phanerozoic...eastwards into the Amazon basin of both Colombia and Ecuador. The Guiana Shield formed the backstop for the...paleontological dates for this unit from both Colombia and Ecuador. Farther west, the Gorgona terrane is located on...Cretaceous Pacific Realm belong to a similar volcanic province. The Sinú terrane is located outboard of San Jacinto |
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