Photo Gallery

Hydro- and Subvolcanic Structures in the Region of Gilf Kebir (Egypt/Libya)

Update: 06.03.2017

Clayton Craters

        Crater Inside (2)    
         Crater Bottom    
 Dykes (4) White Trachyte (4)
 White Trachyte (3)          
  Basaltic Plug on uplifted Basement (22°18'01''N / 25°24'15''E)  
Basaltic plug (2) A large northern crater (3)      


"Peter & Paul" area

  "Peter & Paul"   Granite in the foreground   Trachyte Plug    


Crater Field GKCF

GKCF-13 GKCF-13 (7)
GFCK-13/Southern side GFCK-13/Rim (2) GKCF-13/Layers GKCF-13/Breccia (4)
Crater field GKCF (3) Craters Erected layers (3) GKCF-07/Rim
GKCF-01 GKCK-01/Rim (2)    GKCF-01/ Rim (3) GKCF-01/Rim (2)
GKCF-01/Rim GKCF-01/Breccia GKCF-01/Breccia basement GKCF-01/Breccia  GKCF-01 & GKCF-05/Breccia GKCF-13/Metasomatism GKCF-01/Metasomatism  
 Small Crater GKCF-02 (2)  GKCF-06 ?    Hill with uplifted red layers (2)
Small Crater Rim of the small Crater (4)  Small Crater (2) Tilted Layers
 Erected Layers (2) Basalt Hills Small Hydrovolcanic Structures (2) Uplifted Breccias (3)
Fused Sandstone (4) Breccia (2) Large Crater Basalt Hill
 Basalt plug into a Crater Enormous Basalt Hill (2) "Beacon Hill" (2) Basalt Hill (3)
 Crater Field nearby Jasper Mountain (6) Hydrovolcanic Structure Hydrovolcanic Pipes


GKCF: Gilf Kebir western and northern foreland

Many volcanic Fissures with erected layers between Wadi Sura and Aqaba (6)

Hydrovolcano (Um Ras)

Ring intrusion

Subvolcanic plugs "Crater Kebira" area


GKCF: Great Sand Sea

Crater "El-Baz" (4)

Sakhret-al-Amud (4)

"Qaret el Hanash" near Silica field: Basaltic intrusion contain debris of basement (?) and infiltrated silica solutions (Jasper)

Dark Silica in sediments

Basaltic boulders with enclosed dark Silica !


GKCF: "Jasper Mountain"

Jasper Crater (2)

Jasper Mountain (2)

 Blood Jasper (2)


Quartz, Chalcedony


Photos by Ursula Steiner, Switzerland (6)

Jasper Breccia



GKCF: "Regenfeld"

Hydrovolcanic Pipes (6) Destroyed Pipes Hydrovolcanic Structure
            Uplifted Layers (2)


GKCF: Kemal-el-Din Plateau

Large Crater on plateau Crater ouside of Wadi Mashi with Basalt and Quartz Basalt Locations (Loc) Basalt Wadi Mashi (Loc-3)  Trachyte Wadi Wassa
Large basaltic Plug in the Wadi Akhdar (Loc-2) Another striking Plug in the Wadi Akhdar (Loc-1) Basalt Wadi Dayiq (Loc-4)  Crater inside with Basalt (Loc-5) Twin peak Basalt (Loc-6)
Trachyte or Basalt in a northern Wadi (Loc-7) Trachyte in a Wadi on east side of Gilf  Kebir (Loc-8) Trachyte in the Wadi Mashi (Loc-9)
Trachyte with included tuber of Iron oxide; Wadi Mashi Small Ring-dyke, Mouth of Wadi Mashi Trachyte Bubble, Wadi Dayiq
Trachyte (Loc-10)  Trachyte in the Wadi Akhdar (Loc-12)  Basalt Wadi Akhdar (Loc-11)      



Crater "White Spot" and further structures (Uweinat)


Crater "White Spot" Crater "White Spot" (3) Basalt/"White Spot" Volcanic plug/Karkur Talh ? Basalt columns on Plateau (2)
On Floor of Karkur Talh: Old granite in basement outcrop (4) Volcanic Tracks in the Karkur Talh area (2) Dyke/Foreland (2)


Craters Arkenu (Libya)

         Breccias (2)    
Brecciated crater rim (2) Arkenu-1: Yellow Jasper in silicified sandstone - formed by hydrovolcanic solutions (3)  Trachyte? (3)
  Two Craters 40 km WNW (2) SW of Arkenu Craters Crater southeast of Arkenu Craters (2) Erected Layers Dyke NW of Jabal Arkenu


Crater Oasis (Libya)

        Centre     Central Uplift
 Plugs with Sandstone on top; 100 km WNW (2) Northern Plugs  Dyke 50 km SW; Dyke Structures Large Dyke south of Kufra Dyke/Babain Plug/Babain


Crater B.P. (Libya)

        Central Uplift  Panorama    
  Ten photos by ""