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Haojiang dikes, Haojiang District, Shantou, Guangdong, Chinai
| Regional Level Types | |
|---|---|
| Haojiang dikes | Outcrop |
| Haojiang District | District |
| Shantou | Prefecture-level City |
| Guangdong | Province |
| China | Country |
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Latitude & Longitude (WGS84):
23° 11' 29'' North , 116° 39' 22'' East
Latitude & Longitude (decimal):
Type:
KĂśppen climate type:
The local geology is characterized by Jurassic volcano-sedimentary successions intruded by Late Jurassic to Cretaceous granitoids and porphyritic rocks. The main exposed stratigraphic units include the Lower Jurassic Songling Formation (J1s) and Longshui Formation (J1sl), the MiddleâUpper Jurassic Reshuidong Formation (J2â3r), the Upper Jurassic Shuidishan Formation (J3sd), and locally distributed Early Cretaceous Nanshancun Formation (K1n), with Quaternary cover in lowland areas. Intrusive rocks are dominated by Late Jurassic intermediate to felsic granitoids and granite porphyry, together with Early Cretaceous granitoids, including potassic granite. These volcanic strata, granitoids, and porphyritic intrusions define an overall NE-trending magmaticâstructural corridor that parallels major NE-striking faults, indicating that regional structures played an important role in magma ascent and emplacement. In the Haojiang area, dark gray to black, fine-grained maficâintermediate dikes sharply intrude light-colored granitoids along fractures or joints.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
2 valid minerals.
Rock Types Recorded
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| â 'Amphibole Supergroup' Formula: AB2C5(T8O22)W2 References: |
| â 'Clinopyroxene Subgroup' References: |
| â 'Feldspar Group' References: |
| â 'Microlite Group' Formula: A2-mTa2X6-wZ1-n References: |
| â 'Plagioclase' Formula: (Na,Ca)[(Si,Al)AlSi2]O8 References: |
| â Quartz Formula: SiO2 References: |
| â Zircon Formula: Zr(SiO4) References: |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| â | 'Microlite Group' | 4.00. | A2-mTa2X6-wZ1-n |
| â | Quartz | 4.DA.05 | SiO2 |
| Group 9 - Silicates | |||
| â | Zircon | 9.AD.30 | Zr(SiO4) |
| Unclassified | |||
| â | 'Amphibole Supergroup' | - | AB2C5(T8O22)W2 |
| â | 'Feldspar Group' | - | |
| â | 'Clinopyroxene Subgroup' | - | |
| â | 'Plagioclase' | - | (Na,Ca)[(Si,Al)AlSi2]O8 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | â Amphibole Supergroup | AB2C5(T8O22)W2 |
| O | â Quartz | SiO2 |
| O | â Zircon | Zr(SiO4) |
| O | â Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Na | Sodium | |
| Na | â Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Al | Aluminium | |
| Al | â Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | Silicon | |
| Si | â Quartz | SiO2 |
| Si | â Zircon | Zr(SiO4) |
| Si | â Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Ca | Calcium | |
| Ca | â Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Zr | Zirconium | |
| Zr | â Zircon | Zr(SiO4) |
| Ta | Tantalum | |
| Ta | â Microlite Group | A2-mTa2X6-wZ1-n |
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