Page 351 - Global Tectonics

334 CHAPTER 10

(a) Intra-oceanic subduction (15–11 Ma to Recent) Accretionary wedge
(Hengchun Ridge) arc-prism North Luzon
Manila boundary Arc
Trench
South China Sea

Turbidites
Eurasian Continent
South China Sea oceanic crust Philippine Sea Plate
North Luzon
Trough
(b) Initial arc-continent collision (5 Ma to Recent)
Fold-and-thrust belt Accretionary wedge
Western Foothills- arc-prism
Hsuehshan Range Central Range boundary
(Kaoping Slope) (Hengchun Ridge) North Luzon Arc
Deformation Lishan-Laonung
front Fault Intra-arc basin
HTR
Taiwan
Strait
(foreland)
Eurasian Continent Philippine
Sea Plate

(c) Advanced arc-continent collision (2 Ma to Recent)
Fold-and-thrust belt Accretionary wedge
Hsuehshan Range Central Range Clockwise rotation
(Slate belt)
Western Foothills Lishan-Laonung (Metamorphic belt)
Deformation Chuchih F. L.V. Coastal Range
front F. Intra-arc basin
Coastal
Plain
Foreland
Philippine
Eurasian Continent Sea Plate

(d) Arc collapse/subduction (1–2 Ma to Recent)
Fold-and-thrust belt Accretionary wedge
Hsuehshan Range Central Range Chihshui
Western Foothills (Slate belt) (Metamorphic belt) fault scarp
Deformation Chuchih Lishan-Laonung Collapsed/subsided
front F. F. Luzon arc-forearc
Coastal
Plain
Foreland
Eurasian Continent Philippine
Sea Plate
Figure 10.30 Tectonic evolution of the Taiwan arc–continent collision (images provided by C.-Y. Huang and modified

from Huang C.-Y. et al., 2000, with permission from Elsevier). (a) Intra-oceanic subduction. (b) Initial arc–continent
collision. (c) Advanced arc–continent collision. (d) Arc collapse, subsidence, and subduction. LV, Longitudinal Valley, HTR,
Huatung Ridge.