Acta Geologica Sinica
— LA-ICP-MS Zircon U-Pb Geochronology and Petrology of the Muchang Alkali Granite, Zhenkang County, Western Yunnan Province, China. YE Lin ... Ti, Cr and Ni, which are similar to those of the A-type granites and quite different from those of S-type and I-type granites. ... It is suggested that the unexposed intermediate-acid intrusive rocks in ...
Application of the SSPC method in the stability assessment …
DOI: 10.1007/s10064-015-0792-z Corpus ID: 129206141; Application of the SSPC method in the stability assessment of highway rock slopes in the Yunnan province of China @article{Li2016ApplicationOT, title={Application of the SSPC method in the stability assessment of highway rock slopes in the Yunnan province of China}, author={Xiaoyun …
Geochemistry of Cenozoic volcanic rocks in Tengchong, SW …
— There are wide spread Cenozoic volcanic rocks in Tengchong (CVRT), Yunnan province, SW China. These rocks comprise three rock types: basalt, andesite (dominant type) and dacite. Most samples are sub-alkaline, and among the sub-alkaline rocks, most are high-K calc-alkaline. These rocks have a SiO 2 range of 49.1 wt.% to 66
Shilin Stone Forest – Kunming, China
— In China's Yunnan Province is the famous stone topography of Shilin, meaning "stone forest." Covering an area of three-hundred square kilometers (or 186 miles) the stone forest is a massive ...
(PDF) Carbonate-hosted clay-type lithium deposit and its …
— The possible provenance sources for the mineral matter of the Late Permian coal measures in the study area include: Emeishan volcanic rocks [4,12,16], arc-related intermediatefelsic rocks [17,36 ...
Geochemistry of magnetite from the Hongniu–Hongshan …
— 1. Introduction. Magnetite (Fe 3 O 4) is a common accessory mineral in many ore deposits and their host rocks.It forms under a wide variety of conditions, including crystallization from silicate and sulfide melts at high temperatures, or precipitation at lower temperatures from hydrothermal fluids (Dare et al., 2014).Recent developments in the …
Soil productivity in the Yunnan province: Spatial distribution …
— The Yunnan province (21°8′32″–29°15′8″N, 97°31′39″–106°11′47″E) covers an area of 3.83 × 10 5 km 2.The mean altitude above sea level is 1879 m, with elevations ranging from less than 100 m in the southeast hill region to greater than 6000 m in the Hengduan mountainous areas in the northwest (Fig. 1).The province is typically sub …
Geochemistry of meta-volcanic rocks from the …
Longbohe Cu deposit, Yunnan Province, China: Implications for the genesis and tectonic setting CUI Yinliang 1,2*, QING Dexian1, and CHEN Yaoguang2 ... These three types of volcanic rocks are similar in REE content range and chondrite-normalized REE patterns with the exception of Eu anomaly. Various lines of evidence show that these three types ...
Mineralization processes at the Daliangzi Zn-Pb deposit, Sichuan-Yunnan
— The Daliangzi deposit is the second largest Mississippi Valley-type (MVT) Zn-Pb deposit in the Sichuan-Yunnan-Guizhou metallogenic province (SYG), SW China. However, detailed mineralization processes that occurred at different ore-forming stages and spatial locations are poorly understood. ... host rocks, and physicochemical …
Origin of hydrothermal ore-forming processes in the …
The Pb isotope composition indicates radiogenic Pb sources, and suggests Pb from sedimentary rocks and mantle-derived volcanic rocks in the basin both contribute to this deposit. In conclusion, the Dapingzhang deposit shares many similar geochemical characteristics with vein type copper deposits in the Lanping-Simao Basin.
Soil productivity in the Yunnan province: Spatial distribution …
— Most soils in the Yunnan province have lower productivity than Mollisols and Black soils, while the forest soils of brown earths and dark-brown earths had higher …
Zircon U–Pb ages and Hf–O isotopes, and whole-rock Sr–Nd …
— A-type granite was first used to describe a group of granitic rocks with high alkaline contents and anhydrous compositions in an anorogenic setting (Loiselle and Wones, 1979). Although there is still much debate on the origin of A-type granite, its unique mineralogical and geochemical characteristics are widely recognized.
Types of Crushers: Choosing the Right One for Each Stage
— The three main types of primary crushers are jaw crushers, gyratory crushers, and hammer crushers. Jaw Crusher. Jaw crushers use the compressive and bending action of a fixed jaw plate and a movable jaw plate to crush materials of various hardnesses.
Mineralization of ion-adsorption type rare earth deposits in …
— The parent rocks of iREE deposits in western Yunnan are all biotite monzogranites. Differently, there are many types of metallogenic parent rocks of iREE deposits in south China. ... The metallogenic regularity of ion-adsorption type REE deposit in Yunnan Province. Acta Geol. Sin., 94 (2020), pp. 179-191. in Chinese with English …
What Are the Differences Between The 7 Types of Crushers?
— In the following article, I will show you the differences between the 7 types of crushers to help you choose the correct crushing equipment for your project. Jaw rock …
Geochemistry of meta-volcanic rocks from the Longbohe Cu …
The Longbohe Cu deposit, which is located in the southern part of the Honghe ore-forming zone, Yunnan Province, China, belongs to a typical ore field where volcanic rocks are of wide distribution and are associated with Cu mineralization in time and space. The volcanic rocks in the ore field, which have experienced varying degree of alteration or regional …
Slope stability analysis of saturated–unsaturated based on …
— Yunnan Province of China is located in the southwest frontier, with high altitude, fragile geological environment, uneven spatial and temporal distribution of rainfall, and more localized rainfall and landslide geological hazards caused by rainfall are extremely common. Therefore, based on saturated–unsaturated seepage theory, it is of …
Crusher,Mobile crusher,Crusher Machine
VI Series vertical impact crusher (sand making machine) is an efficient River gravel, rocks (limestone, granite, basalt, diabase, andesite, etc.), the ore tailings broken equipment. sand making machine is widely used in …
Types of Rock Crushers | Quarry Crushing Equipment
The type of rock you plan to focus on processing in your operation will dictate the types of rock crushers you'll need to include in your crushing circuit. The more you know about the type of rock you wish to crush and what its end-use will be, the easier it is to choose the best equipment to achieve your project goals.
Yunnan
— The Yi are the largest minority group in the province. Once the rulers of large parts of Yunnan, the Yi are a hill people with subsistence agriculture and proud warrior traditions. Linguistically, they belong to the Tibeto-Burman group. Second largest in population are the Bai, in northwestern Yunnan.Long Sinicized, the Bai are rice …
Yunnan Tea: Pu'er Tea, Dianhong Tea, Culture
What is Yunnan Tea? Yunnan tea is a type of fermented tea that is produced in the Yunnan province in China. Also known as Chinese black tea, dianhong tea, and pu'er tea, these tea leaves can be purchased in …
Amphibious Excavator
Lingyue Trading was founded in 2014, with headquarters in Kunming, Yunnan Province. The deep plowing industry, which is based on the South Asian bridgehead, has long concentrated on import and export commerce as well as the recycling of renewable resources, making it a new environmentally beneficial company.
Geochemical characteristics and genetic type of a lithium …
— The study area is located in the coastal Pacific metallogenic domain-Upper Yangtze (continental block) metallogenic Province-the south-central Yunnan metallogenic belt (Fig. 1).The regional basement is a double basement: the Paleoproterozoic basic volcanic rocks + epimetamorphic rocks, and the fold basement of Mesoproterozoic …
Types of Rock Crushers | Quarry Crushing …
The number of crusher types in terms of style and configuration can be more challenging to quantify, as there are lots of ways to customize rock crushers. However, you'll find four basic designs—cone, jaw, gyratory, …
Numerical simulation of Huize germanium-enriched lead …
— The Huize Pb-Zn deposit, one of the largest in the Yunnan-Guizhou lead–zinc ore concentration area, is situated at the intersection of four first-order geodetic structures, namely the southwestern margin of the Yangtze block, the eastern section of the Kangdian axis, the central and southern parts of the Sichuan-Yunnan and Guizhou lead–zinc …
Journey to Shangri-La: The Magic of China's Secret Kingdom
— Majesty and mysticism in the mountains of China's Yunnan province. Visions of Shangri-La–and tales of a vagabond grandfather–spark a quest to the peaks and gorges of the eastern Himalaya and ...
Geology and mineralization of the Pulang supergiant …
— The Pulang deposit is located in the contiguous area between northwestern Yunnan Province and western Sichuan Province, China, lying in the Geza island arc in the southern section of the Yidun terrane. ... Rock type Geological characteristics Main lithologies Genetic types Main geochemical characteristics Isotopic ages; Late Triassic …
Phase transformation processes in karst-type bauxite …
— 1. Introduction. Bauxite resources are abundant in China, ranking as the fifth major bauxite province in the world, next to Guinea, Australia, Brazil, and Jamaica (Ling et al., 2015, Wang et al., 2010).A large amount of economic bauxite deposits in China (about 98% of reserves) comes from the Shanxi, Shandong, Henan, Guizhou, Guangxi, and …
Mining-induced geo-hazards with environmental protection …
— The types of mining-induced geo-hazards are related to mining scale, exploitation method, mineral type, and mining area. Yunnan is one of the provinces in …
Geology, geochemistry and genesis of the giant Maoping …
— The Sichuan-Yunnan-Guizhou Pb-Zn metallogenic province (SYGMP) occurs in the western Yangtze Block (Fig. 1 a) (Hu et al., 2016), which is one of the prominent Pb-Zn-(Ag-Ge) polymetallic mineral reservoirs in China (Liang et al., 2016, Zhou et al., 2018a, Luo et al., 2020).The SYGMP is structurally bounded by the Anninghe-Lvzhijiang (N-S …
Geology and geochemistry of the Shuanggou ophiolite …
— Individual rock bodies are elongate parallel to the regional tectonic orientation and crop out as tectonic slices (Yunnan, 1990). In northern Vietnam, about …
Revision of F. R. C. Reeds Ordovician trilobite types from …
— Several of Reeds species subsequently became type species of genera that have proved to be widespread: Birmanites Sheng, 1934, Encrinurella Reed, 1915, Neseuretinus Dean, 1967, and Pliomerina Chugaeva, 1956. Reeds Ordovician trilobite collections came from two main areas: northern Shan State (Myanmar), and …
TIMES OF VOLCANIC ACTIVITY AND ORIGIN OF MAGMA IN …
Dating of forty-seven samples of the Tengchong volcanic rocks gave K-Ar ages range-from about 0.09 Ma to 17.84 Ma. On the basis of 40Ar/36Ar-40K/36Ar plot 4 isochron ages were obtained as following 2.93 Ma, 0.81 Ma, 0.31 Ma and 0.13 Ma. The eruption time of volcanoes was from the Miocene to Pleistocene with the climax occurring in the late …