The basement of the Philippine Mobile Belt (PMB) is mainly composed of ophiolites that are mostly overlain by Paleogene to Miocene turbidites in central Luzon.To clarify the geological development of the PMB with resp...The basement of the Philippine Mobile Belt (PMB) is mainly composed of ophiolites that are mostly overlain by Paleogene to Miocene turbidites in central Luzon.To clarify the geological development of the PMB with respect to the initial stage of the arc volcanism(eg.Yumul et al.,2003,2008;展开更多
The Carboniferous conodont faunal succession of the lower part of Ko-yama Limestone Group was studied.The confirmed upper Visean-lower Moscovian lithostratigraphy of the group is characterized by the clastic carbonate...The Carboniferous conodont faunal succession of the lower part of Ko-yama Limestone Group was studied.The confirmed upper Visean-lower Moscovian lithostratigraphy of the group is characterized by the clastic carbonates with common association of the basaltic pyroclastics and some intercalation of spicular chert beds.The faunal succession of Gnathodus semiglaber(upper Visean),Gnathodus praebilineatus-Lochriea multinodosa(upper Visean),Lochriea ziegleri-Gnathodus girtyi girtyi s.l.(lower Serpukhovian),Neoganthodus symmetricus-Idiognathodus primulus(middle-upper Bashkirian),and Idiognathoides convexus-Gondolella clarki(lower Moscovian) faunas,appears in concordance with the lithostratigraphic order.The faunas are correlative with those from the conodont zones of the Hina,Atetsu,Akiyoshi and Omi limestone groups in the Akiyoshi Belt.The Visean/Serpukhovian boundary of the section was recognized by the FAD of Lochriea ziegleri.展开更多
The study area is located in Kawakami-cho, Okayama Prefecture,which is occupied by Lower Carboniferous to Middle Permian Ko-yama Limestone Group(Yokoyama et al.,1979),Permian Yoshii Group (Sano et al.,1987) and Triass...The study area is located in Kawakami-cho, Okayama Prefecture,which is occupied by Lower Carboniferous to Middle Permian Ko-yama Limestone Group(Yokoyama et al.,1979),Permian Yoshii Group (Sano et al.,1987) and Triassic Nariwa展开更多
A number of geological studies have already been conducted on the Zambales Ophiolite Complex(ZOC), a north-south trending complete ophiolite sequence exposed in the western portion of Central Luzon, Philippines.Previo...A number of geological studies have already been conducted on the Zambales Ophiolite Complex(ZOC), a north-south trending complete ophiolite sequence exposed in the western portion of Central Luzon, Philippines.Previous works recognized the ZOC as being made up of two blocks,展开更多
文摘The basement of the Philippine Mobile Belt (PMB) is mainly composed of ophiolites that are mostly overlain by Paleogene to Miocene turbidites in central Luzon.To clarify the geological development of the PMB with respect to the initial stage of the arc volcanism(eg.Yumul et al.,2003,2008;
文摘The Carboniferous conodont faunal succession of the lower part of Ko-yama Limestone Group was studied.The confirmed upper Visean-lower Moscovian lithostratigraphy of the group is characterized by the clastic carbonates with common association of the basaltic pyroclastics and some intercalation of spicular chert beds.The faunal succession of Gnathodus semiglaber(upper Visean),Gnathodus praebilineatus-Lochriea multinodosa(upper Visean),Lochriea ziegleri-Gnathodus girtyi girtyi s.l.(lower Serpukhovian),Neoganthodus symmetricus-Idiognathodus primulus(middle-upper Bashkirian),and Idiognathoides convexus-Gondolella clarki(lower Moscovian) faunas,appears in concordance with the lithostratigraphic order.The faunas are correlative with those from the conodont zones of the Hina,Atetsu,Akiyoshi and Omi limestone groups in the Akiyoshi Belt.The Visean/Serpukhovian boundary of the section was recognized by the FAD of Lochriea ziegleri.
文摘The study area is located in Kawakami-cho, Okayama Prefecture,which is occupied by Lower Carboniferous to Middle Permian Ko-yama Limestone Group(Yokoyama et al.,1979),Permian Yoshii Group (Sano et al.,1987) and Triassic Nariwa
文摘A number of geological studies have already been conducted on the Zambales Ophiolite Complex(ZOC), a north-south trending complete ophiolite sequence exposed in the western portion of Central Luzon, Philippines.Previous works recognized the ZOC as being made up of two blocks,