The Origin of Mesozoic A-type Granitoids,Fujian Province,Southeast China:Insights from Geochronology,Mineralogy and Geochemistry

The magma sources,origins and precise forming ages of the miarolite from Qishan and Kuiqi intrusions are still uncertain.New results reveal that,miarolites from the Qishan and Kuiqi intrusions yield crystallization ages of~101 and~98 Ma,and they have a high formation temperature(~910℃)and low oxygen fugacity value,indicating crystallization condition at low pressure in the upper crust with temperature of 678℃.The Qishan and Kuiqi miarolites are characterized by enrichment in SiO_(2) and high-K alkali,depletion in Ca and Mg,and belong to the high-K weak peraluminous rock series.The samples are enriched in HFSEs(i.e.,Ta,Zr and Hf)and LILEs(i.e.,Ba,P and Sr),depleted in Ba and Sr with the negative anomaly of Eu.In the primitive mantle normalized trace element spider diagram,the samples show a right-inclined‘seagull-type’pattern,combined the ratios of(La/Yb)_(N),10000×Al/Ga,Rb/Nb and Nb/Ta etc.,they were proved to be alkaline A-type granite.Combined the characterize of the trace elements,they were derived from clay-rich source accompanied pelite melting,and subjected to K-feldspar crystallization fractional.The values of ε_(Hf)(t)and tDM2 are distributed in the range of-2.8 to 3.3 with~1.2 Ga,and-6.0 to 4.0 with~1.2 Ga,revealing that they were generated from the Mesoproterozoic Cathaysia basement rocks.The comprehensive research reveals the Kuiqi and Qishan intrusions derived from crust-mantle mixing and partial melting of the crust,respectively,resulting from lithospheric extension generated by the Paleo-Pacific Plate subducted into the European-Asian Plate.

Reflection on the Integrated Development of Marine Fisheries and Tourism Based on the Transformation of Fishery Facilities: A Case Study of Ningde City of Fujian Province, China

Based on the analysis on the current situation of marine fishery resources and development in Ningde City,this paper plans a spatial pattern for the integration of marine fishery and tourism of the“one belt,three zones,and multiple points”,designs key projects,analyzes the existing problems in the integrated development of fishery and tourism,and proposes relevant countermeasures and suggestions.

Pattern changes and early risk warning of Spartina alterniflora invasion:a study of mangrove-dominated wetlands in northeastern Fujian,China

The exotic saltmarsh cordgrass,Spartina alterniflora(Loisel)Peterson&Saarela,is one of the important causes for the extensive destruction of mangroves in China due to its invasive nature.The species has rapidly spread wildly across coastal wetlands,challenging resource managers for control of its further spread.An investigation of S.alterniflora invasion and associated ecological risk is urgent in China's coastal wetlands.In this study,an ecological risk invasive index system was developed based on the Driving Force-Pressure-State-Impact-Response framework.Predictions were made of'warning degrees':zero warning and light,moderate,strong,and extreme warning,by developing a back propagation(BP)artificial neural network model for coastal wetlands in eastern Fujian Province.Our results suggest that S.alterniflora mainly has invaded Kandelia candel beaches and farmlands with clustered distributions.An early warning indicator system assessed the ecological risk of the invasion and showed a ladder-like distribution from high to low extending from the urban area in the central inland region with changes spread to adjacent areas.Areas of light warning and extreme warning accounted for43%and 7%,respectively,suggesting the BP neural network model is reliable prediction of the ecological risk of S.alterniflora invasion.The model predicts that distribution pattern of this invasive species will change little in the next 10 years.However,the invaded patches will become relatively more concentrated without warning predicted.We suggest that human factors such as land use activities may partially determine changes in warning degree.Our results emphasize that an early warning system for S.alterniflora invasion in China's eastern coastal wetlands is significant,and comprehensive control measures are needed,particularly for K.candel beach.

Quantitative characterization of vertical zonation of Mesozoic granite weathering reservoirs in the coastal area of eastern Fujian Province,China

Weathering crust reservoirs have obvious vertical zonation,which is the focus of weathering crust reservoir research,but there is a lack of quantitative characterization indexes.To achieve the quantitative characterization of granite weathering crust reservoir and provide the basis for oil exploration of granite weathering crust buried hill reservoir,in this paper,the vertical zonation of granite weathering crust reservoir is quantitatively divided by testing and analyzing the uniaxial compressive strength(UCS),magnetic susceptibility(MS),permeability,and chemical index of alteration(CIA)of the Mesozoic granite weathering crust in the coastal area of eastern Fujian.The results show that the granite weathering crust reservoir can be divided into four zones vertically:a soil zone(SZ),weathered and dissolved zone(WDZ),fracture zone(FZ),and bedrock zone(BZ).A cataclastic area is developed in the FZ and BZ,in which structural fractures are well-developed,the fracture surface density is usually greater than 200 m/m^(2),and the contribution to the fractures in the rock mass is up to about 50%,making this the sweet spot of the reservoir.In the SZ,the rocks are loose,and the pores are well-developed.The UCS is less than 10 MPa,and the average rate of change of the UCS(Δ_(σ))is 0.90.The average permeability is 2823.00 mD,and the average rate of change of the permeability(Δ_(κ))is 5.13.The average CIA is 74.9%.The average clay mineral content is 7%.The rocks in the WDZ have been significantly weathered by physical and chemical processes,and the weathering fractures and dissolution pores are well-developed.The average UCS is 18.2 MPa,and the averageΔ_(σ)is 0.70.The average permeability is 143.80 mD,and averageΔ_(κ)is 4.17.The average CIA is 65.3%.The average clay mineral content is 4%.Under the influence of tectonic movement and physical weathering,the rocks in the FZ have developed structural fractures and a few weathered fractures.The average UCS is 57.9 MPa,and the averageΔ_(σ)is 0.18.The average permeability is 5.50 mD,and the averageΔ_(κ)is 2.55.The average CIA is 61.6%.The average clay mineral content is 2%.In the BZ,the rocks are intact and hard.The average UCS is 69.9 MPa,and the average Ds is 0.13.The average permeability is 1.46 mD,and the averageΔ_(κ)is 1.43.The average CIA is 57.8%.The average clay mineral content is less than 1%.The multi-parameter combination of the UCS,Δ_(σ),permeability,Δ_(κ),CIA,and clay mineral content achieved good results in the division of the zones of the weathering crust.The UCS increases gradually from top to bottom,while Ds,permeability,Δ_(κ),CIA,and clay mineral content all decrease gradually.In addition,based on the petrophysical parameters of the rocks,including the density,resistivity,and acoustic velocity,a good division effect was also achieved,which can provide a basis for the vertical zonation of the granite buried-hill weathering crust reservoir.

The 12th China International Folk Arts Festival(CIFAF)Held in Fujian Province

Jointly sponsored by China Federation of Literary and Art Circles and Fujian Provincial People's Government and co-organised by Quanzhou Municipal People's Government and Fujian Federation of Literary and Art Circles,the 12th China International Folk Arts Festival(CIFAF)was held in Fujian Province from October 11th to 17th.Over 100 artists from 13 countries gave performances and brought to the local audience an art extravaganza of international style,national features and folk characteristics.Themed Carry Forward the Spirit of the Belt and Road.

Selenium and Sulfur Systematics of Mafic Dykes in Western Fujian Province,Southern China

Fifteen samples from three study areas （the Bancun diabase dykes, the Bali hornblende gabbro dykes, the Linzifen gabbro-diabase dykes） were collected and analyzed for selenium （Se）, sulfur （S）, copper （Cu）, major and trace elements. In general, Se, S and Cu do positively correlate to each other. The concentration of S and Se and the S/Se ratio are higher than the corresponding value of primitive mantle （PM）, and the Cu/S ratio falls in a narrow range （0.04-0.29）, which is consistent with that of primitive mantle （0.05-0.20）. The Bancun diabase dykes and the Bali hornblende gabbro dykes were located in an intraplate environment during the Late Mesozoic. Oceanic subduction was closely related to magmatic activities. The magmatic activities play an important role in the transportation mechanism of Se and S. Because those two groups were closer to fault zones, which may affect the distribution of S and Se and other elements. In the two groups, no crustal contamination was observed, indicating that all analyzed elements may come from enriched mantle metasomtism associated with slab subduction. However, the Linzifen gabbro-diabase dykes were located in an intraplate rift environment, and its invading age is older than the other two groups, the primitive magma comes from mantle, and there is an anomalous relation between S, Se and Al2O3, （La/Sm）N, and all these factors could result in higher S and Se concentration.

The Research on Wooden Arched Bridges and Traditional Villages' Environmental Image in East Fujian Province of China——A Case Study of Youxi Ancient Village in Shouning County of East Fujian

By taking Youxi Village which was the typical village with wooden arched bridges in East Fujian for example, it had discussed landforms, geology, soil, climate and vegetation in natural environment which could be perceived and village's cultural and historical background. Based on relevant research results in academic field, it had studied the relationship between wooden arched bridges and villages' environment in East Fujian, and further analyzed the relation of wooden arched bridges as traditional architectural heritages with village's living condition and history. On this basis, it had analyzed imaginability of natural environment of Youxi Village from the aspects of village's site and stream's trend, and imaginability of cultural environment by taking Wenming Bridge, Liren Bridge and Zhangkeng Bridge for example. It was considered that wooden arched bridge was the consolidation of natural environment and had been the recognizable image at villages of East Fujian, manifesting heavy cultural characteristic.

Geochemistry, geochronology and mineralization of the rare-metal granites in the Daping Ta-Nb deposit, Fujian Province, South China

1 Introduction Rare-metal granites are widely distributed in South China.The Daping porphyritic granitic Ta-Nb deposit,located in the Yongding area of south Fujian province,South China,is a large rare-metal deposit recently discovered.Few studies have been made of its petrology,mineralogy,geochemistry,chronology and metallogeny.In recent years,several exploratory drillings have been done in this deposit.These drilling holes,from 380 to 600

Three Australian leg-flagged Great Knots(Calidris tenuirostris) found on the islet coast of Jinmen(Quimoy) in Fujian,China

DEAR EDITOR On April 7, 2013, approximately 50 Great Knots （Calidris tenuirostris）, Red Knots （C. canutus） and Bar-tailed Godwits （Limosa lapponica） were seen on the coast of Jinmen （Quimoy） （N24°26′; E118°18′） in Fujian, China. Among these birds, three Great Knots were banded with Australian yellow leg-flags （ENE, LCC and USP in Figures 1, 2 and 3, respectively）, which are new to Jinmen.

Three Australian leg-flagged Roseate Terns found at Caiyu Archipelago of SE Fujian, China

In undertaking regular surveys on those waterbirds appearing on Fujian coast and on offshore islands,people of Xiamen Bird-watching Society had observed,for five times during 2007-2009,three marked individuals of the Roseate Tern (Sterna dougallii) on Caiyu Archipelago of south Fujian offshore; it is now quite certain that the leg-flags were marked on birds by people of the Australasian Wader Studies Group (AWSG) and at least one of those leg-flagged terns is already over six or seven years old by the time of re-sighting; this record might be useful and helpful for further estimating the life circle as well as the length of generation of those gulls and terns appearing and breeding along the SE Chinese coast,such as the Black-tailed Gull (Larus crassirostris),the Great Crested Tern (Sterna bergii),the Chinese Crested Tern (S.bernsteini),etc.

Demonstration on the Tropic of Cancer Passing through Fujian of China

The Tropic of Cancer is an ecological line closely touching with mankind,and takes 23°26'17″ N as the standard. Its passing provincial territory certainly includes the administered land,island and sea area. In view of that relative southern latitude of the provincial territory passed by the Tropic of Cancer must be smaller than 23°26'17″ N,by measuring map of Fujian sea area and integrating related arguments,the sea area administered by Fujian Province is between 23°31' and 23°09' N from the north to the south. The Tropic of Cancer passes through the sea area administered by Zhao'an County and Dongshan County of Zhangzhou City,Fujian Province,which verifies that the Tropic of Cancer passes through Fujian Province. It is ocean century in the 21^(st) century. Under the new international normal,by analysis and demonstration on the Tropic of Cancer passing through Fujian Province,it makes us concern the Tropic of Cancer in sea area besides that on the land. Only so,it could systematically and fully discuss,recognize and manage the Tropic of Cancer.

The Geochemistry of Late Mesozoic Mafic Dyke Swarms in Fujian Province, Southeast China

Mafic dyke swarms is a special geologic terrain in continent,which can provide us abundant geodynamic information,mafic dyke swarms were an important symbol of the lithospheric extension,which were mainly derived

The Occurrence Mechanism of Gold in Pyrite from the Qiucun Gold Deposit in Fujian Province, China

1 Introduction Precipitation and enrichment of gold is an important subject in the study of gold deposits.As the most common sulphide in gold deposits,pyrite is not only a good indicator of the evolution of mineralizing fluids,but also the important gold-bearing mineral.In this paper,

China(Fujian)Foreign Trade Central Group

Subordinated to the Ministry of Foreign Trade and Economic Cooperation, the China (Fujian) Foreign Trade Central Group is a comprehensive foreign trade corporation engaging in imports and exports, real estate, international goods transportation, restaurants, advertising, exhibition

CHINA'S FUJIAN PROVINCE IS LEADING THE WAY IN SUCCESSFUL ECOLOGICAL DEVELOPMENT

From potholed roads,polluted skies and frequent water shortages to a gold medal winner of International Garden City awarded by the United Nations Environment Program and International Federation of Park and Recreation Administration.That’s the total turnaround William Brown has seen in Xiamen City in just 30 years.As a professor at Xiamen University in southeast China’s Fujian Province,Brown said he had witnessed radical eco-

Juvenile Protection & China's Human Rights Cause——An interview with Wang Yifu, vice-governor of Fujian

Over the past decade, Fujian Province in Southeast China, has reported remarkable results in implementing the Law on the Protec-tion of Minors. Following is the transcription of an interview conducted recently by Human Rights magazine with Vice-Governor Wang Yifu, who also is the chairman of Fujian Provincial Committee for Juvenile Protection: