Depo envts facies deltas paleogeography

... Depositional Environments      Sediments accumulate in some environment of deposition or depositional environments These areas receive net deposition Erosion may occur, but deposition ... muddy skeletal limestone facies Cross-stratified arkosic conglomerate facies Stromatoporoid-tabulate coral reef facies Facies Model    An idealized description of a facies Constructed from ... Facies means aspect – same Latin root as “face” Overall appearance of a rock body Facies are the products of depositional environments Examples:     Planar laminated fine quartz arenite facies...

Báo cáo " Margin deltas in the northern part of the Red River basin " doc

... An existence of the margin deltas in Miocene in the northern part of the Red River basin confirms a presence of basin floor fans in the central part of the Red River basin These basin floor fans ... the northern part of the Red River basin In the northern part of the Red River basin, margin deltas have developed eastward from the borehole 103-TH-1X They are composed of river mouth bars and ... formation of margin deltas in the northern part of the Red River basin A study result on the Red River basin has revealed transgression/regression cycles during the Miocene There are cycles in Early...

Báo cáo " Reconstructing sedimentary environments of MR1 core and investigating facies’ geotechnical properties through the piezocone penetration test in the Late Pleistocene-Holocene periods in the Mekong River Delta " docx

... very fine and fine sand laminae The pro -delta is 3.5 m thick in the MR1 core In comparison with the pro -delta in the VL1 core, which is 10 m thick, the pro -delta in MR1 is so thin The coarsening-upward ... from the VL1 core [2] in the interfluvial zone (Fig 1) Estuarine channel sediment was found in the MR1 core at a depth of -41.5 m and in the BT2 core at a depth of 62.3 m In the VL1 core, the ... 18,000-20,000 yr BP [9] The fall in sea level led to the lowering of the base level of the river, resulting in an incised valley The MR1 core was within this incised valley system Following the last glacial...

Báo cáo " Characteristics of Quaternary sedimentary facies in relation to water bearing capacity of aquifers and aquicludes in the Red River Delta, Vietnam " ppt

... deltaic facies and silty clay of lagoonal facies in the central part passing into silty clay of flood plain, oxbow, coastal swamp and peat facies in the direction from the plain to the ... in some places there is no trace of the fine grain sediments, but there remain only the coarse grained sediments of river bed facies, which are of high storage and water bearing capacity. These are ... mainly of greenish gray fine clayey sand of lagoonal and coastal swamp facies of Hai Hung Formation in the upper sequence and the fine sediments of deltaic and marine facies of ...

Understanding the Great Ordovician Biodiversification Event (GOBE): Influences of paleogeography, paleoclimate, or paleoecology? potx

... cooling of the Ordovician oceans triggered the biodiversification They used ion microprobe oxygen isotope analyses of Early Ordovician Silurian conodonts to indicate a steady cooling of the Ordovician ... during the latest Ordovician to reach a minimum during the glaciation near the Ordovician- Silurian boundary before a further significant rise took place during the Llandovery The Cambrian to mid -Ordovician ... is the result of an important change in the base of the food chain between the Cambrian and Ordovician While Precambrian and Cambrian communities were mostly limited to the sea bottom, the Ordovician...

Metamorphic facies and metamorphosed mafic rocks

... the mantle Metamorphic Facies 2) Facies of medium pressure • Most exposed metamorphic rocks belong to the greenschist, amphibolite, or granulite facies • The greenschist and amphibolite facies conform ... garnet), characterizing this facies Sanidinite facies is not evident in basic rocks Mafic Assemblages of the High P/T Series: Blueschist and Eclogite Facies Mafic rocks (not pelites) develop definitive ... that characterize each facies (for mafic rocks) Table 25-1 Definitive Mineral Assemblages of Metamorphic Facies Facies Definitive Mineral Assemblage in Mafic Rocks Zeolite zeolites: especially...

Bài giảng Metamorphic facies powerpoint

... facies and their mineral assemblages Zeolite facies (LP/LT)  The zeolite facies is the metamorphic facies with the lowest metamorphic grade  The facies is named for zeolites, strongly hydrated ... Metamorphic facies  1-Eclogite 2-Blueschist   3-Greenschist 4-Prehnite-   5-Pumpellyite 6-Zeolite      7-Granulite 8-Amphibolite 9-Hornfels 10-Sanidinite Metamorphic facies  The metamorphic ... hornblende-hornfels facies has the following mineral assemblages:  hornblende + plagioclase ± diopside, Pyroxene-hornfels facies (LP/MT-HT)  The pyroxene-hornfels facies is the contactmetamorphic facies...

Adaptation of land use and houses in the upper mekong deltas deep flooding area

... Overview of thesis This thesis studies the adaptation of land use and houses in the Mekong Delta’s deep flooding area First, it examines the adaptation of land use and houses in the current context and ... Adaptation of land use and houses in the upper Mekong Delta’s deep flooding area Flooding has been the most critical issue in the Mekong Delta The upper part of Mekong Delta’s deep flooding area, ... and land use in the studied area Chapter examines current adaptation strategies of land use and houses to floods in the studied area by reviewing the literature about land use and houses in the...

Adaptation of land use and houses in the upper mekong deltas deep flooding area 2

... Source: Author (Thuong Phuoc Village, Hong Ngu District, December 03, 20 09) 1 02 Adaptation of land use and houses in the upper Mekong Delta’s deep flooding area Figure 91. Plan of a house in the farm in dry season Figure 92. Plan of a house in the farm in flooding season ... loss of sediments, increase of vermin, and reduction of fishery resources 97 Adaptation of land use and houses in the upper Mekong Delta’s deep flooding area Houses in floodedareas For houses ... Adaptation of land use and houses in the upper Mekong Delta’s deep flooding area choice of houses locations and cropping patterns in the studied area, which then affect the houses and settlement...

Adaptation of land use and houses in the upper mekong deltas deep flooding area 3

... be integrated in housing design and land use planning 151 Adaptation of land use and houses in the upper Mekong Delta’s deep flooding area 5.4 Anapproachfor land use planning and adaptation of ... activities inside the houses are not affected Currently, the main constraints of floating houses are the 168 Adaptation of land use and houses in the upper Mekong Delta’s deep flooding area high cost of ... connectivity of houses to farms, infrastructure and services Second, land use and houses should 152 Adaptation of land use and houses in the upper Mekong Delta’s deep flooding area adapt to changes in hydrology...

Classification and facies

... - Rock classification - Facies Prograde Metamorphism • Normally progress through series of mineral assemblages, for example: epidote, chlorite, andalusite, muscovite, quartz, k-spar, and albite ... slates or phyllites and typically contain chlorite, muscovite, quartz and albite ▲ Biotite zone Slates give way to phyllites and schists, with biotite, chlorite, muscovite, quartz, and albite ▲ Garnet ... muscovite, quartz, plagioclase, and usually garnet and staurolite ▲ Sillimanite zone Schists and gneisses with sillimanite, biotite, muscovite, quartz, plagioclase, garnet, and perhaps staurolite Some...

Xem thêm

Từ khóa: Nghiên cứu tổ chức pha chế, đánh giá chất lượng thuốc tiêm truyền trong điều kiện dã ngoại Nghiên cứu vật liệu biến hóa (metamaterials) hấp thụ sóng điện tử ở vùng tần số THz Nghiên cứu tổ chức chạy tàu hàng cố định theo thời gian trên đường sắt việt nam Giáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôit Giáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôit NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWAN SLIDE Phối hợp giữa phòng văn hóa và thông tin với phòng giáo dục và đào tạo trong việc tuyên truyền, giáo dục, vận động xây dựng nông thôn mới huyện thanh thủy, tỉnh phú thọ Phát hiện xâm nhập dựa trên thuật toán k means Nghiên cứu khả năng đo năng lượng điện bằng hệ thu thập dữ liệu 16 kênh DEWE 5000 Định tội danh từ thực tiễn huyện Cần Giuộc, tỉnh Long An (Luận văn thạc sĩ)Thơ nôm tứ tuyệt trào phúng hồ xuân hương Chuong 2 nhận dạng rui ro BT Tieng anh 6 UNIT 2 Tranh tụng tại phiên tòa hình sự sơ thẩm theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn xét xử của các Tòa án quân sự Quân khu (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vật chuong 1 tong quan quan tri rui ro Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vật Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vật Đổi mới quản lý tài chính trong hoạt động khoa học xã hội trường hợp viện hàn lâm khoa học xã hội việt nam QUẢN LÝ VÀ TÁI CHẾ NHỰA Ở HOA KỲ