Longgang volcanic field, Tonghua, Jilin, Chinai
| Regional Level Types | |
|---|---|
| Longgang volcanic field | Volcanic Field |
| Tonghua | Prefecture-level City |
| Jilin | Province |
| China | Country |
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Type:
The Longgang volcanic field (LVF) of Northeast China has produced
a dozen maars with features of complex sequences.
The LVF covers an area of 1,550 to 1,700 km².
The LVF comprises over 150 Quaternary cinder cones, eight maars and tuff rings, and extensive basaltic to trachybasaltic lava flows, with rock types dominated by basalt, picro-basalt, trachybasalt, tephrite, and basanit.
The LVF is centred around coordinates of 42.33°N, 126.5°E.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
Mineral list contains entries from the region specified including sub-localities2 valid minerals.
Rock Types Recorded
Rock list contains entries from the region specified including sub-localities
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ 'Fayalite-Forsterite Series' |
| ⓘ 'Glass' |
| ⓘ Nepheline Formula: Na3K(Al4Si4O16) |
| ⓘ 'Orthopyroxene Subgroup' |
| ⓘ 'Plagioclase' Formula: (Na,Ca)[(Si,Al)AlSi2]O8 |
| ⓘ 'Pyroxene Group' Formula: ADSi2O6 |
| ⓘ Spinel Formula: MgAl2O4 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Spinel | 4.BB.05 | MgAl2O4 |
| Group 9 - Silicates | |||
| ⓘ | Nepheline | 9.FA.05 | Na3K(Al4Si4O16) |
| Unclassified | |||
| ⓘ | 'Fayalite-Forsterite Series' | - | |
| ⓘ | 'Plagioclase' | - | (Na,Ca)[(Si,Al)AlSi2]O8 |
| ⓘ | 'Pyroxene Group' | - | ADSi2O6 |
| ⓘ | 'Orthopyroxene Subgroup' | - | |
| ⓘ | 'Glass' | - | |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Nepheline | Na3K(Al4Si4O16) |
| O | ⓘ Spinel | MgAl2O4 |
| O | ⓘ Fayalite-Forsterite Series | |
| O | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| O | ⓘ Pyroxene Group | ADSi2O6 |
| Na | Sodium | |
| Na | ⓘ Nepheline | Na3K(Al4Si4O16) |
| Na | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Mg | Magnesium | |
| Mg | ⓘ Spinel | MgAl2O4 |
| Mg | ⓘ Fayalite-Forsterite Series | |
| Al | Aluminium | |
| Al | ⓘ Nepheline | Na3K(Al4Si4O16) |
| Al | ⓘ Spinel | MgAl2O4 |
| Al | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | Silicon | |
| Si | ⓘ Nepheline | Na3K(Al4Si4O16) |
| Si | ⓘ Fayalite-Forsterite Series | |
| Si | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | ⓘ Pyroxene Group | ADSi2O6 |
| K | Potassium | |
| K | ⓘ Nepheline | Na3K(Al4Si4O16) |
| Ca | Calcium | |
| Ca | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Fe | Iron | |
| Fe | ⓘ Fayalite-Forsterite Series | |
Geochronology
Mineralization age: Cenozoic : 27.3 Ma to 0.2 MaImportant note: This table is based only on rock and mineral ages recorded on mindat.org for this locality and is not necessarily a complete representation of the geochronology, but does give an indication of possible mineralization events relevant to this locality. As more age information is added this table may expand in the future. A break in the table simply indicates a lack of data entered here, not necessarily a break in the geologic sequence. Grey background entries are from different, related, localities.
| Geologic Time | Rocks, Minerals and Events | ||||||
|---|---|---|---|---|---|---|---|
| Phanerozoic | |||||||
| Cenozoic | |||||||
| Quaternary | |||||||
| Pleistocene |
| ||||||
| Paleogene | |||||||
| Oligocene |
| ||||||
Fossils
This region is too big or complex to display the fossil list, try looking at smaller subregions.Localities in this Region
- Jilin
- Baishan
- Jingyu County
- Tonghua
- Longgang volcanic field
- Baishan
Other Regions, Features and Areas that Intersect
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