Regional GeologyRegional Geology

The Arabian ShieldThe Arabian Shield

The EarthThe Earth

Slice cut in the Earth

The Arabian PlateThe Arabian Plate

Arabian Plate tectonic setting

The Dead Sea Aqaba FaultThe Dead Sea Aqaba Fault

Aqaba Strike-Slip FaultAqaba Strike-Slip Fault

The Arabian GulfThe Arabian Gulf

Trends of Trends of Stress Stress

Regimes Regimes within within

the the Arabian Arabian

PlatePlateOMAN OMAN STRESSSTRESS

Strain Ellipses for Zagros and Oman Stress RegimesStrain Ellipses for Zagros and Oman Stress Regimes

ZAGROSSZAGROSSSTRESSSTRESS

Geology of Saudi Geology of Saudi ArabiaArabia

Arabian Arabian Nubian Nubian ShieldShield

Bowen’s Reaction SeriesBowen’s Reaction Series

Jeddah, Makkah and TaifJeddah, Makkah and Taif

Jeddah

Makkah

Taif

Al-Hada

Arabian ShieldArabian Shield

Makkah-Taif RoadMakkah-Taif Road

Makkah-Taif RoadMakkah-Taif Road

Makkah Al-Taif RoadMakkah Al-Taif Road

Makkah-Taif RoadMakkah-Taif Road

SillSill

SillsSills

Dikes Dikes

Dikes filling fracturesDikes filling fractures

DikesDikes

Dikes and VeinsDikes and Veins

Fractures and DikesFractures and Dikes

Dikes Dikes IntrusionIntrusion

ss

XenolithXenolith

Dikes and SillsDikes and Sills

Meta-sedimentsMeta-sediments

Metamorphic RocksMetamorphic RocksFoliation and LineationFoliation and Lineation

BrecciasBreccias

Evolution of the Arabian Shield

Ophiolite Ophiolite Belts in Belts in

The The Arabian Arabian ShieldShield

The The Arabian Arabian ShieldShield

Pillow Lava

Pillow LavaPillow Lava

Five Five MicroplatesMicroplates

RED SEA RED SEA AND AND

HARRATHARRAT

Topography of the Red SeaTopography of the Red Sea

Crater

Crater

Volcanic vent

Relationship of the Arabian Shield to the overlying

Sedimentary Formations

Non-ConformityNon-ConformityContact between Precambrian and Contact between Precambrian and

Phanerozoic rocksPhanerozoic rocks

Non-Conformity

Contact between Precambrian and Phanerozoic rocks

Wajeed SandstonesWajeed Sandstones

GondwanaGondwana

Horst and GrabenHorst and Graben

Cross Section of The Arabian PlateCross Section of The Arabian Plate

Type of Regional FaultsType of Regional Faults

Salt DiapirsSalt Diapirs

Salt Domes and FracturesSalt Domes and Fractures

Economic Importance Of the Arabian Shield

Ancient MineAncient Mine

Ancient Inclined ShaftsAncient Inclined Shafts

Carbonatized SerpentiniteCarbonatized Serpentinite

Felsic DikeFelsic Dike

Inclined ShaftInclined Shaft

Vertical ShaftVertical Shaft

Mahd Al-DahabMahd Al-Dahab

Mahd Al-Dahab MineMahd Al-Dahab Mine

Exploration drilling for gold in the ShieldExploration drilling for gold in the Shield