school of earth sciences - · pdf fileschool of earth sciences the geology and landscape of...
TRANSCRIPT
School of Earth Sciences
The geology and landscape of the
Melbourne Region
Prof Andrew Gleadow
Image: Professor Mike Sandiford
Image: Professor Mike Sandiford Image: Professor Mike Sandiford
Victorian Earthquakes
5
2.0 - 2.42.5 - 2.8
2.8 - 3.33.3 - 4.2
4.2 - 5.15.1 - 6.9
Magnitude
Northwards Tilting
Image: Professor Mike Sandiford
Murray Basin
Retreating coastal ridges
7
MelbourneArea
Topography
8
9 10
Geology of the Eastern Suburbs
110 2km
N
MarineSediments
Silurian
TerrestrialSediments
Pliocene
Basalt
Pleistocene
Alluvium
Recent
Dar
ebin
Crk
Merri C
rk
Yarra River
Gardners Crk
Koonung Crk
Uni
on
Whitehorse
CanterburyRiversdale
Burwood Hwy
Burk
e
Balw
yn
War
rigu
l
Eastern Fwy
Monash Fw
y
Belmore
Mont Albert
Toorak
Kew Jn
Camberwell Jn
St Kilda Jn
Elga
r
Geology of the Eastern Suburbs
120 2km
N
MarineSediments
Silurian
TerrestrialSediments
Pliocene
Basalt
Pleistocene
Alluvium
Recent
Silurian Sedimentary Rocks
13
Anticline, Studley Park
Heidelberg Rail Cutting
14
Late Tertiary Sedimentary Rocks
15
East Camberwell Rail Cutting
Outer Circle Cutting, CanterburyHill capping, Studley Park
Eastern Freeway Cuttings
16
North Balwyn
Fairfield
Basalt Lava Flows, Yarra Bend Park
17800,000 years old
Closeup view
Bluestone Monument
Damming of the Yarra
18
N
Merri CreekValley
YarraValley
Gardners CreekValley
after ES Hills, Physiography of Victoria, 1964
Darebin CreekValley
Old RiverCourse
New Course(lateral stream)
Lakes
LavaLava
Yarra River Flats, Heidelberg
19
Banyule Flats
Ancient Lake Bed
Yarra River Valley, Burnley
20
Yarra River
Hawthorn
Richmond
Banyule Flats
SilurianSedimentary rocks
PleistoceneBasalt Lavas
Geomorphology
21
Volcanoes
Lava Flows
RetreatingCoastal Dunes
Geology of the Eastern Suburbs
220 2km
N
MarineSediments
Silurian
TerrestrialSediments
Pliocene
Basalt
Pleistocene
Alluvium
Recent NNW
SSE
23
ReservoirNNW
Glen IrisSSE
Geological Cross-Section
Distance km
0 2 4 6 8 10 12 140
20
40
60
80
100
Elevation m
Yarra R
Darebin CrkDonaldsons Crk
Geology of the Eastern Suburbs
240 2km
N
MarineSediments
Silurian
TerrestrialSediments
Pliocene
Basalt
Pleistocene
Alluvium
Recent
Geology of Surrey Hills
250 2km
N
MarineSediments
Silurian
TerrestrialSediments
Pliocene
Alluvium
Recent
Uni
on
Whitehorse
Canterbury
Riversdale
Burk
e
Balw
yn
War
rigu
l
Belmore
Mont Albert
Elga
r
Toorak
Geological Time Scale
26
01.8
65
144
206
248
290
354
417
443
490
543
PALE
OZO
ICM
ESO
ZOIC
CENO
ZOIC
PRECAMBRIAN
PHAN
ERO
ZOIC
EraEon Period
Tertiary
Cretaceous
Jurassic
Triassic
Permian
Carboniferous
Devonian
Silurian
Ordovician
Cambrian
Quaternary
AGE (Ma)
Marine Sedimentary Rocks
Fluvial Sedimentary RocksBasalt Lava FlowsRiver Alluvium
Major Deformation Event
ROCKS IN MELBOURNE
Erosion