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Çakartaş, Ergani District, Diyarbakir Province, Turkeyi
| Regional Level Types | |
|---|---|
| Çakartaş | Outcrop |
| Ergani District | District |
| Diyarbakir Province | Province |
| Turkey | Country |
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Latitude & Longitude (WGS84):
38° 4' 41'' North , 39° 39' 7'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
The study area exhibits a multi-stage geological structure developed over a wide time interval range from the Precambrian to the Quaternary, comprising a crystalline basement, ophiolitic units, Cenozoic sedimentary basin fills, and Neogene–Quaternary volcanic products. The oldest units of the region consist of gneisses and schists representing the high-grade metamorphic crystalline basement. These units are tectonically overlain by Mesozoic basic–ultrabasic rocks and ophiolitic slices composed of pelagic limestones, radiolarites, cherts, and clastic units, which formed as a result of thrusting and tectonic slicing related to the closure of the Tethys Ocean. The Cenozoic succession is characterized by Lower–Middle Eocene volcanic and volcano-sedimentary units, while widespread neritic limestones deposited during the Eocene reflect shallow-marine conditions. In the Late Miocene, basaltic volcanic rocks were emplaced in the region, and during the Pliocene–Quaternary period, extensive basalt covers formed broad plateau surfaces, playing a decisive role in shaping the present-day morphology. Siliceous gemstones occurring within Eocene sedimentary units crop out over an area of several square kilometers. The blocks contain intergrown chalcedony zones developed in greenish tones together with white chalcedony domains, locally displaying vuggy and concretion-like textures. These textural features indicate multi-stage precipitation processes resulting from the filling of pore and fracture systems within the sedimentary host rocks by silica-rich hydrothermal fluids. The blocks locally reach volumes of several cubic meters and represent siliceous gemstone accumulations at different scales. In the investigated samples, chalcedony zones in white, green, and blue tones show diffuse transitions rather than sharp boundaries, producing a complex and heterogeneous internal texture.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
5 valid minerals.
Rock Types Recorded
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Dolomite Formula: CaMg(CO3)2 |
| ⓘ Goethite Formula: Fe3+O(OH) |
| ⓘ Hematite Formula: Fe2O3 |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Quartz var. Chalcedony Formula: SiO2 |
| ⓘ Quartz var. Microcrystalline quartz |
| ⓘ Quartz var. Quartzine Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Hematite | 4.CB.05 | Fe2O3 |
| ⓘ | Quartz var. Chalcedony | 4.DA.05 | SiO2 |
| ⓘ | 4.DA.05 | SiO2 | |
| ⓘ | var. Quartzine | 4.DA.05 | SiO2 |
| ⓘ | var. Microcrystalline quartz | 4.DA.05 | SiO2 |
| ⓘ | Goethite | 4.FD.10 | Fe3+O(OH) |
| Group 5 - Nitrates and Carbonates | |||
| ⓘ | Dolomite | 5.AB.10 | CaMg(CO3)2 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Goethite | Fe3+O(OH) |
| C | Carbon | |
| C | ⓘ Dolomite | CaMg(CO3)2 |
| O | Oxygen | |
| O | ⓘ Quartz var. Chalcedony | SiO2 |
| O | ⓘ Dolomite | CaMg(CO3)2 |
| O | ⓘ Goethite | Fe3+O(OH) |
| O | ⓘ Hematite | Fe2O3 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Quartz var. Quartzine | SiO2 |
| Mg | Magnesium | |
| Mg | ⓘ Dolomite | CaMg(CO3)2 |
| Si | Silicon | |
| Si | ⓘ Quartz var. Chalcedony | SiO2 |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Quartz var. Quartzine | SiO2 |
| S | Sulfur | |
| S | ⓘ Pyrite | FeS2 |
| Ca | Calcium | |
| Ca | ⓘ Dolomite | CaMg(CO3)2 |
| Fe | Iron | |
| Fe | ⓘ Goethite | Fe3+O(OH) |
| Fe | ⓘ Hematite | Fe2O3 |
| Fe | ⓘ Pyrite | FeS2 |
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