Djebel Ech Cheid (Djebel Ech Chehid; Jabal ash Shahid), Siliana, Tunisiai
| Regional Level Types | |
|---|---|
| Djebel Ech Cheid (Djebel Ech Chehid; Jabal ash Shahid) | Diapir |
| Siliana | Governorate |
| Tunisia | Country |
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Latitude & Longitude (WGS84):
36° 22' 18'' North , 9° 18' 45'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Name(s) in local language(s):
Djebel Ech Cheid (Djebel Ech Chehid; Jabal ash Shahid), Testour, Gouvernorat de Béja, Tunisie
Salt diapiric area with Triassic evaporite-bearing folds and several natural oil seeps of the Mouelha Formation, Lower Cretacreous-Late Albian era, situated 20 km southwest of Testour between the ancient Roman city of Dougga and Qa Afur.
Doubly terminated black quartz crystals up to 30 mm can be found in layered greyish anhydrite of evaporitic origin. These crystals with prismatic habit have been coloured by the presence of hydrocarbon inclusions and are similar to quartz specimens from Monte Rosso, Reggio Emilia Province, Italy.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Anhydrite Formula: CaSO4 |
| ⓘ Halite Formula: NaCl References: |
| ⓘ 'Petroleum var. Bitumen' References: |
| ⓘ Quartz Formula: SiO2 |
List of minerals arranged by Strunz 10th Edition classification
| Group 3 - Halides | |||
|---|---|---|---|
| ⓘ | Halite | 3.AA.20 | NaCl |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| Group 7 - Sulphates, Chromates, Molybdates and Tungstates | |||
| ⓘ | Anhydrite | 7.AD.30 | CaSO4 |
| Unclassified | |||
| ⓘ | 'Petroleum var. Bitumen' | - | |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Anhydrite | CaSO4 |
| O | ⓘ Quartz | SiO2 |
| Na | Sodium | |
| Na | ⓘ Halite | NaCl |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Anhydrite | CaSO4 |
| Cl | Chlorine | |
| Cl | ⓘ Halite | NaCl |
| Ca | Calcium | |
| Ca | ⓘ Anhydrite | CaSO4 |
Other Regions, Features and Areas containing this locality
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Djebel Ech Cheid, Siliana, Tunisia