The Ban Houayxai epithermal Au–Ag deposit in the Northern Lao PDR: Mineralization related to the Early Permian arc magmatism of the Truong Son Fold Belt

Manaka, T; Zaw, Khin; Meffre, Sébastien; Vasconcelos, Paulo; Golding, Suzanne D.

doi:10.1016/j.gr.2013.08.024

Cited by 40 publications

(12 citation statements)

References 20 publications

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“…The ages of the first group correspond to magmatic activity in the Loei Fold Belt (260–170 Ma) or Truong Son Fold Belt (290–190 Ma) ( Zaw et al., 2009 , 2014 ; Sanematsu et al., 2011 ; Kawakami et al., 2014 ; Manaka et al., 2014 ; Nualkhao et al., 2018 ). Based on their locations, the plutonic rocks of Phnom Daek, Phnom Koy Rmeas, Svay Leu, Oyadav South, and Phnom Soporkaley were likely formed by magmatic activity in the Loei Fold Belt, which likely extended north of the Mae Ping Fault in Thailand ( Nualkhao et al., 2018 ) ( Figure 6 ).…”

Section: Discussionmentioning

confidence: 99%

Zircon U–Pb chronology on plutonic rocks from northeastern Cambodia

Kasahara

Niki

Uchida

et al. 2021

Heliyon

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Zircon U–Pb geochronology was carried out on plutonic rocks from Phnom Daek, Phnom Koy Rmeas, Svay Chras, Kon Mom, Koh Nheak, Andong Meas, Oyadav South, Svay Leu, and Phnom Soporkaley. The zircon U–Pb ages from the plutonic rocks determined in this study can be roughly divided into two groups. One is the Late Permian to Triassic ages of 278–202 Ma for the Phnom Daek, Phnom Koy Rmeas, Oyadav South, Svay Leu, and Phnom Soporkaley, and the other is the early Cretaceous ages of 118–98 Ma for the Svay Chras, Kon Mom, Koh Nheak, and Andong Meas samples. The plutonic rocks from Phnom Daek, Phnom Koy Rmeas, Svay Leu, Oyadav South, and Phnom Soporkaley were likely formed by magmatic activity in the Loei Fold Belt. These plutonic rocks were likely formed in an extensional setting and/or a region where the continental crust was thin. The plutonic rocks of Svay Chras, Kon Mom, Koh Nheak, and Andong Meas were likely formed by magmatic activity in the Dalat-Kratie Fold Belt, related to the NW-directed subduction of the Paleo-Pacific Ocean plate. These plutonic rocks are thought to correspond to the Dinhquan suite in southern Vietnam. The Kon Mom and Koh Nheak plutonic rocks fall within the alkaline series, which suggests that the magma genesis was deep and far from the western Paleo-Pacific Ocean plate. Magmatic activity in the Dalat-Kratie Fold Belt migrated oceanward as a whole during the Cretaceous.

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Section: Discussionmentioning

confidence: 99%

Zircon U–Pb chronology on plutonic rocks from northeastern Cambodia

Kasahara

Niki

Uchida

et al. 2021

Heliyon

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“…indet.). The volcanic rocks have similar lithological and geochemical characteristics to that in the Houayxay gold mine, yielding a zircon U-Pb LA-ICP-MS date of 286 ± 4 Ma (Early Permian)(Manaka et al, 2014). In southern Laos, continental arc magmatism during the Early Permian is documented at the Sepon gold mine, characterized by ca.…”

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confidence: 85%

Neoproterozoic to Early Triassic tectono-stratigraphic evolution of Indochina and adjacent areas: A review with new data

Tran

Faure

Nguyen

et al. 2020

Journal of Asian Earth Sciences

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“…Geochronological and geochemical analyses indicate that mineralization-related volcano-plutonic rocks were formed ca. 270-300 Ma, showing calc-alkaline affinity (Tate, 2005;Cromie et al, 2006;Hotson, 2009;Li, 2012;Manaka et al, 2008Manaka et al, , 2014Wang et al, 2013;Zaw et al, 2014). Kamvong et al (2014) concluded that incipient arc magmatism in the Truong Son terrane was one of the intense driving forces for the formation of largest metal deposits in the region.…”

Section: Tectono-magmatic-metallogenic Evolution In the Truong Son Tementioning

confidence: 99%

“…Major types of mineral resources in this terrane are skarn-related Fe, porphyry-related Cu-Au, porphyry-related skarn Cu-Au, epithermal Au-Ag deposits and intrusion-related Sn deposits, such as the world-famous Sepon Cu-Au mine, the largest iron mine in the SE Asia-Thach Khe Fe mine, also recently discovered large-scale Pha Lek Fe mine. The timing of the volcano-plutonic rocks of the Truong Son terrane and the occurrence of a number of metal deposits seems to be coupled (Tate, 2005;Hotson, 2009;Li, 2012;Tran et al, 2014;Manaka et al, 2014). Nevertheless, these studies mainly dealt with the ages of individual deposits in the Truong Son terrane, with few looking into the geochronological characteristics of the whole-belt and their relation to tectonic evolution Tran et al, 2014;Kamvong et al, 2014).…”

Section: Introductionmentioning

confidence: 99%