Table 9.1 - Summary of deformational events that have affected rocks of the Hong Kong SAR
Age Orientation / Movement Tectonic Setting Evidence
Mesozoic Late
Cretaceous
NE - sinistral
S-directed thrust
NW - dextral
strike-slip, transtensional and
transpressional basins
absolute displacement of rock
units, S–C fabrics, thrust
relationships, and extensional
basins with NW- to N-trending
long axes
Yanshanian Early

Cretaceous

to

Mid Jurassic
NNW varying to N and NW
extension generated variable
sinistral and dextral components
on ENE-trending faults
extensional and variably
transtensional convergent
margin volcanic arc, becoming
back-arc and eventually post-
subduction
ENE- to NE-trending dykes,
plutons and long axes of
calderas, locally NW-trending
fissure volcanoes
Early
Jurassic
?NNW - SSE extensional basins (ENE) 'graben' in Tolo Channel
Indosinian NE - dextral transpressional folds in Ma Shi Chau
Palaeozoic
(Caledonian)
NE extensional basins (NE) regional geology
Precambrian NE terrane
collision/amalgamation (NE)
deep crustal structures

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