Creation of a database of geoinformation monitoring of forestry lands (southwest part of Poltava region, Ukraine)

2021 ◽  
Author(s):  
N. P. Halchenko ◽  
S. P. Lashko ◽  
N. Ye. Stoiko ◽  
V. I. Kozar ◽  
L. M. Kozar ◽  
...  
Keyword(s):  
Southwest Part

Geochemistry of halloysite-7Å formation from plagioclase in trachyandesite rocks from Limnos Island, Greece

Clay Minerals ◽  
2014 ◽  
Vol 49 (1) ◽  
pp. 75-89 ◽  
Author(s):  
D. Papoulis ◽  
S. Komarneni ◽  
D. Panagiotaras
Keyword(s):  
Electron Microscopy ◽  
Scanning Electron Microscopy ◽  
Chemical Analysis ◽  
Geochemical Data ◽  
X Ray Diffraction ◽  
Polarizing Microscopy ◽  
X Ray ◽  
Geochemical Evaluation ◽  
Scanning Electron ◽  
Southwest Part

AbstractTrachyandesite rocks, occurring over an area of about 1 km2in the southwest part of Limnos Island, Greece, are altered mainly to halloysite. The samples were collected and analysed by polarizing microscopy, powder X-ray diffraction (XRD), scanning electron microscopy (SEM) and chemical analysis. The alteration of plagioclase to halloysite follows seven discrete stages that are described in detail. The geochemical evaluation of the data shows enrichment of the lightREE(LREE) over heavyREE(HREE) as expressed by the (La/Yb)n ratio. TheΣLREErange from 206.44 to 272.30, while the sum ofHREEvaries from 11.01 to 26.26. The (La/Yb)n ratio ranges from 9.72 to 27.64. Fractionation amongLREEexpressed as (La/Sm)n and between middleREE(MREE) andHREEis shown as (Tb/Yb)n ratios. The most altered rocks close to the fault zone have high (Tb/Yb)n ratios and low (La/Sm)n and Eu/Eu* ratios. Although mineralogy and clay mineral textures indicate hydrothermal genesis of halloysite, the geochemical data are not conclusive due to a secondary weathering effect.

scholarly journals An Overview of the Tectonic Evolution of the Indochina block and Granitoid Emplacement, particularly in the central and south Vietnam

2020 ◽  
Vol 23 (3) ◽  
pp. First
Author(s):  
Tuan Anh Nguyen ◽  
Ngo Tran Thien Quy ◽  
Vu Thi Hao ◽  
Pham Minh
Keyword(s):  
Geochemical Data ◽  
Language Program ◽  
R Language ◽  
Magmatic Rocks ◽  
South Vietnam ◽  
Granitic Magmatism ◽  
Granitoid Emplacement ◽  
Rock Analysis ◽  
Geochemical Data Analysis ◽  
Southwest Part

Introduction: Vietnam is mainly located within the Indochina block in Southeast Asia. Asmall northern part of Vietnam belongs to the South China block, the southwest part liesadjacent to the Sibumasu block and opens to the East Sea on the east side. Tectonicactivities in Vietnam were very complicated they relate to intense interactions betweenmany geological blocks at different times. Magmatic emplacement is the final and instantproduct of tectonic activities. Methods: Geochemical data analysis from rock samples withinVietnam collected by other researchers has been reused in the scope of this study to verifythe relation between tectonic evolutions and their granitic magmatism. GCD (GeochemicalData Toolkit), an R language program for handling and recalculation of geochemical data. Results: Geochronology and geotectonic model derived from rock analysis have beenascertained main tectonic evolutions of the Indochina. The current granitoidclassification in Vietnam mostly based on petrographical studies. The Nui Cam granitoid isbeing classified as Deo Ca, Dinh Quan granitoid. However, based on trace elements, they aredifferent. They may belong to different granitoid system. Conclusion: Major tectonic eventswithin the Indochina block are well supported by the nature of granitoid emplacements. Petrological studies of these magmatic rocks would bring out valuable information toconfirm and clearly understand the tectonic evolutions of the region. Igneous rocksclassification must based on tectonic fundamental instead of petrographical studies.

Characteristics of Konjac Glucomannan (KGM) in A.bulbifer Compared with that in A.rivieri and A.albus

2011 ◽  
Vol 236-238 ◽  
pp. 2045-2052 ◽  
Author(s):  
Qiao Wang ◽  
Jian Wang ◽  
Geng Zhong
Keyword(s):  
Chemical Structure ◽  
Average Molecular Weight ◽  
Konjac Glucomannan ◽  
Water Soluble ◽  
Soluble Dietary Fiber ◽  
Physiochemical Properties ◽  
Ft Ir ◽  
Main Component ◽  
Ft Ir Spectroscopy ◽  
Southwest Part

Amorphophallus bulbifer (A. bulbifer) is a promising species in Amorphophallus sp., with great potentiality of developing, low risk for cultivation and considerable commercial benefits, mainly locates in tropical and subtropical regions or near the equator. Konjac glucomannan (KGM) is the main component of Amorphophallus tuber which is a water-soluble dietary fiber. In this work, some physiochemical properties of KGM in three Amorphophallus species flour [one was A.bulbifer, the other two were current main species namely Amorphophallus rivieri (A. rivieri) and Amorphophallus albus (A. albus)] were studied and compared with each other. The KGM content in A. rivieri, A. albus and A. bulbifer flour were 85.03%, 76.28% and 88.07% (w/w), respectively. The apparent viscosity, viscosity average molecular weight, whiteness, gel-forming properties and chemical structure of KGM in the three flours were investigated by using viscometer, colorimeter, texture analyzer and Fourier transform infrared (FT-IR) spectroscopy. The results indicated that the viscosity and Mw of A. bulbifer was the largest, gel strength was almost same (p>0.05) and the molecular structure were of no differences of three KGM. It may be proposed that transplanting A. bulbifer from its native land in the tropical and subtropical regions to temperate zone in the southwest part of China would be feasible, and it would cause the revolution of Amorphophallus sp. and more considerable benefits.

scholarly journals Crab Fattening in Bangladesh: A Socio-economic Perspective

2015 ◽  
Vol 6 (1) ◽  
pp. 145-152 ◽  
Author(s):  
Z Ferdoushi
Keyword(s):  
Young People ◽  
Natural Resources ◽  
Economic Condition ◽  
Coastal Region ◽  
The Other ◽  
Small Scale ◽  
Mud Crab ◽  
Economic Perspective ◽  
Negative Perception ◽  
Southwest Part

Thestudy was conducted to assess the socio-economic condition of the crab fatteners in the southwest part of Bangladesh.About 52% farmers have an experience of 5 to 10 yearsof indicating that involvement in mud crab fattening is the recent development and innovation in those areas.The Hindus in the coastal region found to have more interest in crab farming. On the other hand, about 27% Muslim were also found to involve in this farming.Comparativelyhigher involvements of Hindus farmers were found in Khulna region. Mostly young people found to have more involvement ranging from 26 to 35 years old which constituted more than 38% of the total interviewed population. About 40% farmers showedhigher satisfaction bycrab fattening while,fewfarmers reported some negative perception. Most of their farmingwere small scale and the farmers also accounted the higher seed cost with low profitability. However, well developedco-operation and partnershipbetween farmers, fishermen, middlemen and wholesaler can also improve this sector for sustainable development.DOI: http://dx.doi.org/10.3329/jesnr.v6i1.22056 J. Environ. Sci. & Natural Resources, 6(1): 145-152 2013

The early Paleozoic cumulate gabbroic rocks from the southwest part of the Tisza Mega-Unit (Mt. Papuk, NE Croatia): evidence of a Gondwana suture zone

2020 ◽  
Vol 109 (6) ◽  
pp. 2209-2233
Author(s):  
Damir Slovenec ◽  
Mirko Belak ◽  
Ivan Mišur ◽  
Branimir Šegvić ◽  
Ralf Schuster
Keyword(s):  
Suture Zone ◽  
Early Paleozoic ◽  
Southwest Part

Preliminary geology and geochemistry of the southwest part of the Lime Hills D-4 Quadrangle, Alaska

10.14509/2474 ◽  
1990 ◽  
Author(s):  
W. G. Gilbert ◽  
T. K. Bundtzen ◽  
J. T. Kline ◽  
G. M. Laird
Keyword(s):  
Southwest Part

scholarly journals DIVERSITY, DISTRIBUTION AND ABUNDANCE OF LICHEN IN SIMILIPAL BIOSPHERE RESERVE, ODISHA

2021 ◽  
Vol 9 (6) ◽  
pp. 781-790
Author(s):  
Srimay Pradhan ◽  
Dalip Kumar Upreti ◽  
Kunja Bihari Satapathy
Keyword(s):  
Forest Ecosystem ◽  
Biosphere Reserve ◽  
The Other ◽  
Species Frequency ◽  
Lichen Diversity ◽  
Potential Indicator ◽  
Study Sites ◽  
Different Parts ◽  
Similipal Biosphere Reserve ◽  
Southwest Part

Lichens are organized symbionts that have their importance due to a potential indicator of the forest ecosystem. The lichen diversity of Odisha is not well explored as compared to the other phytogeographical region of India. Though the earlier study reported the occurrence of 252 lichen species from different parts of the state, it was limited to the northeast part of the Similipal Biosphere Reserve (SBR). The objective of the present study was to survey some unexplored areas of SBR, which revealed the occurrence of 84 species of lichens belonging to 38 families and 18 genera. Most of the lichens were found growing as phorophytes on the matured bark of the trees. The western part of the SBR is rich in lichen diversity as compared to the eastern part. Species frequency was found to be highest in the southwest part of the SBR, while the density and abundance were more or less similar within all the study sites. The correlation between frequency and density was found to be significant and insignificant between frequency and abundance.

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