Ely, Kim S.; Sandiford, Mike; Hawke, Margaret L.; Phillips, David; Quigley, Mark; Reis, Joao Edmundo dos (2011) Evolution of Ataúro Island: Temporal constraints on subduction processes beneath the Wetar zone, Banda Arc. Journal of Asian Earth Sciences, 41 (6). 477-493 doi:10.1016/j.jseaes.2011.01.019
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | Evolution of Ataúro Island: Temporal constraints on subduction processes beneath the Wetar zone, Banda Arc | ||
| Journal | Journal of Asian Earth Sciences | ||
| Authors | Ely, Kim S. | Author | |
| Sandiford, Mike | Author | ||
| Hawke, Margaret L. | Author | ||
| Phillips, David | Author | ||
| Quigley, Mark | Author | ||
| Reis, Joao Edmundo dos | Author | ||
| Year | 2011 (June) | Volume | 41 |
| Page(s) | 477-493 | Issue | 6 |
| Publisher | Elsevier BV | ||
| URL | |||
| DOI | doi:10.1016/j.jseaes.2011.01.019Search in ResearchGate | ||
| Generate Citation Formats | |||
| Classification | Not set | LoC | Not set |
| Mindat Ref. ID | 475109 | Long-form Identifier | mindat:1:5:475109:4 |
| GUID | 0 | ||
| Full Reference | Ely, Kim S.; Sandiford, Mike; Hawke, Margaret L.; Phillips, David; Quigley, Mark; Reis, Joao Edmundo dos (2011) Evolution of Ataúro Island: Temporal constraints on subduction processes beneath the Wetar zone, Banda Arc. Journal of Asian Earth Sciences, 41 (6). 477-493 doi:10.1016/j.jseaes.2011.01.019 | ||
| Plain Text | Ely, Kim S.; Sandiford, Mike; Hawke, Margaret L.; Phillips, David; Quigley, Mark; Reis, Joao Edmundo dos (2011) Evolution of Ataúro Island: Temporal constraints on subduction processes beneath the Wetar zone, Banda Arc. Journal of Asian Earth Sciences, 41 (6). 477-493 doi:10.1016/j.jseaes.2011.01.019 | ||
| In | (2011, June) Journal of Asian Earth Sciences Vol. 41 (6) Elsevier BV | ||
| Abstract/Notes | Ataúro is a key to understanding the late stage volcanic and subduction history of the Banda Arc to the north of Timor. A volcanic history of bi-modal subaqueous volcanism has been established and new whole rock and trace element geochemical data show two compositional groups, basaltic andesite and dacite–rhyolite. 40 Ar/ 39 Ar geochronology of hornblende from rhyo-dacitic lavas confirms that volcanism continued until 3.3 Ma. Following the cessation of volcanism, coral reef marine terraces have been uplifted to elevations of 700 m above sea level. Continuity of the terraces at constant elevations around the island reflects regional-scale uplift most likely linked to sublithospheric processes such as slab detachment. Local scale landscape features of the eastern parts of Ataúro are strongly controlled by nor- mal faults. The continuation of arc-related volcanism on Ataúro until at least 3.3 Ma suggests that sub- duction of Australian lithosphere continued until near this time. This data is consistent with findings from the earthquake record where the extent of the Wetar seismic gap to a depth of 350 km suggests slab breakoff, as a result of collision, commenced at 4 Ma, leading to subsequent regional uplift recorded in elevated terraces on Ataúro and neighbouring islands. | ||
Locality Pages
| Locality | Citation Details |
|---|---|
| Ataúro District, East Timor |
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