Main Boundary Thrust

E753963

The Main Boundary Thrust is a major geological fault in the Himalayas that marks the boundary between older, metamorphosed rocks and younger sedimentary formations, playing a key role in the mountain range’s tectonic evolution.

All labels observed (1)

Label Occurrences
Main Boundary Thrust canonical 7

How this entity was disambiguated

Statements (46)

Predicate Object
instanceOf geological fault
tectonic boundary
thrust fault
age Cenozoic
mainly Miocene to Pliocene activity
alsoKnownAs MBT
associatedWith India–Eurasia collision
linked to: Himalayan orogeny
controls distribution of Siwalik Group sediments
deformationStyle fault‑related folding and thrusting
displacementSense north side up relative to south side
exposedIn Lesser Himalayan foothills
Siwalik Hills
linked to: Shivalik Hills
faultType south‑verging thrust
forms major structural discontinuity in the Himalayan arc
formsBoundaryOf foreland basin of the Himalayas
formsPartOf Himalayan thrust belt
geometry listric to planar thrust surface in cross‑section
kinematics north‑over‑south thrusting
linkedWith Himalayan Frontal Thrust system
Main Central Thrust system
linked to: Main Central Thrust
locatedIn Bhutan
Himalayas
India
Nepal
Pakistan
marksBoundaryBetween Lesser Himalaya
linked to: Lesser Himalayas

Sub‑Himalaya
linked to: Lesser Himalayas
movementType compressional
olderThan Himalayan Frontal Thrust
orientation generally east–west trending
parallelTo Himalayan mountain front
partOf Himalayan orogen
linked to: Himalayan orogeny
playsRoleIn tectonic evolution of the Himalayas
uplift of the Himalayan range
relatedProcess crustal shortening
mountain building in the Himalayas
separates Lesser Himalayan crystalline and metasedimentary rocks from Siwalik molasse
older metamorphosed rocks
younger sedimentary formations
significantFor seismic hazard in Himalayan region
stratigraphic correlation in the Himalayas
studiedInDiscipline seismology
structural geology
tectonics
tectonicSetting convergent plate boundary
youngerThan Main Central Thrust

How these facts were elicited

Referenced by (7)

Full triples — surface form annotated when it differs from this entity's canonical label.

Main Central Thrust zone relatedTo Main Boundary Thrust
Main Boundary Thrust zone alsoKnownAs Main Boundary Thrust
MBT fullName Main Boundary Thrust
MBT abbreviationOf Main Boundary Thrust
Main Central Thrust parallelTo Main Boundary Thrust
Himalayan Frontal Thrust parallelTo Main Boundary Thrust
Himalayan Frontal Thrust liesSouthOf Main Boundary Thrust