Analytical methodology for geochemical features and radioactive elements for intrusive rocks in El Sela area, Eastern Desert, Egypt

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Analytical methodology for geochemical features and radioactive elements for intrusive rocks in El Sela area, Eastern Desert, Egypt. / Ghoneim, Mohamed M.; Panova, Elena G.; Abdel Gawad, Ahmed E.; Awad, Hamdy A.; Zakaly, Hesham M.H.; El-Taher, Atef.

в: International Journal of Environmental Analytical Chemistry, 01.02.2021.

Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование

BibTeX

@article{8eed5af8ba8a48ab939d75b9a4d3379d,

title = "Analytical methodology for geochemical features and radioactive elements for intrusive rocks in El Sela area, Eastern Desert, Egypt",

abstract = "On the basis of Clarke analyses, geochemical series of chemical elements of the intrusive rocks of El Sela are identified: two-mica granite: Ni36- Mo7.8- U2.7- Co2.4- Cu1.8- Th1.3; microgranite: U55- Ni20- Co7.3- Mo5.4- Zn3.6- W3.1- Cu2.4; dolerite: U37- Mo18- Cs11- Nb9.1- Sn7.3- W4.3- Th3.9- Y3.6- Zr2.9- Ni2.3- Rb2.2- Hf1.6- Zn1.6- Ba1.2; and bostonite: Ni54- Mo14- Rb9.8- Ta5.3- Nb4.4- Cu3.3- Y2.4- U2.3- Hf1.7- Zr1.4- Th1.3. Microgranite and dolerite have the highest U-contents whereas the two-mica granite has high Th. Microgranite and two-mica granite and bostonite belong to calc-alkaline affinity, while dolerite belongs to tholeiitic. Two-mica granite, microgranite and dolerite fall into meta- and/or peraluminous rocks, whereas bostonite fall in the peralkaline field. Two-mica granite and microgranite are located volcanic arc syn-collision granites, while dolerite and bostonite fall into within plate field. The temperature of crystallisation of two-mica granite ranges from 700°C to 750°C, microgranite from 750°C to 800°C, dolerite from 800°C to 900°C and bostonite ranges from 950°C to 1020°C. The contents of uranium, thorium and potassium were determined and showed high concentrations for radioactive elements.",

keywords = "El Sela, geochemistry, intrusive rocks, thorium, uranium",

author = "Ghoneim, {Mohamed M.} and Panova, {Elena G.} and {Abdel Gawad}, {Ahmed E.} and Awad, {Hamdy A.} and Zakaly, {Hesham M.H.} and Atef El-Taher",

year = "2021",

month = feb,

day = "1",

doi = "10.1080/03067319.2021.1873310",

language = "English",

journal = "International Journal of Environmental Analytical Chemistry",

issn = "0306-7319",

publisher = "Taylor & Francis",

}

RIS

TY - JOUR

T1 - Analytical methodology for geochemical features and radioactive elements for intrusive rocks in El Sela area, Eastern Desert, Egypt

AU - Ghoneim, Mohamed M.

AU - Panova, Elena G.

AU - Abdel Gawad, Ahmed E.

AU - Awad, Hamdy A.

AU - Zakaly, Hesham M.H.

AU - El-Taher, Atef

PY - 2021/2/1

Y1 - 2021/2/1

N2 - On the basis of Clarke analyses, geochemical series of chemical elements of the intrusive rocks of El Sela are identified: two-mica granite: Ni36- Mo7.8- U2.7- Co2.4- Cu1.8- Th1.3; microgranite: U55- Ni20- Co7.3- Mo5.4- Zn3.6- W3.1- Cu2.4; dolerite: U37- Mo18- Cs11- Nb9.1- Sn7.3- W4.3- Th3.9- Y3.6- Zr2.9- Ni2.3- Rb2.2- Hf1.6- Zn1.6- Ba1.2; and bostonite: Ni54- Mo14- Rb9.8- Ta5.3- Nb4.4- Cu3.3- Y2.4- U2.3- Hf1.7- Zr1.4- Th1.3. Microgranite and dolerite have the highest U-contents whereas the two-mica granite has high Th. Microgranite and two-mica granite and bostonite belong to calc-alkaline affinity, while dolerite belongs to tholeiitic. Two-mica granite, microgranite and dolerite fall into meta- and/or peraluminous rocks, whereas bostonite fall in the peralkaline field. Two-mica granite and microgranite are located volcanic arc syn-collision granites, while dolerite and bostonite fall into within plate field. The temperature of crystallisation of two-mica granite ranges from 700°C to 750°C, microgranite from 750°C to 800°C, dolerite from 800°C to 900°C and bostonite ranges from 950°C to 1020°C. The contents of uranium, thorium and potassium were determined and showed high concentrations for radioactive elements.

AB - On the basis of Clarke analyses, geochemical series of chemical elements of the intrusive rocks of El Sela are identified: two-mica granite: Ni36- Mo7.8- U2.7- Co2.4- Cu1.8- Th1.3; microgranite: U55- Ni20- Co7.3- Mo5.4- Zn3.6- W3.1- Cu2.4; dolerite: U37- Mo18- Cs11- Nb9.1- Sn7.3- W4.3- Th3.9- Y3.6- Zr2.9- Ni2.3- Rb2.2- Hf1.6- Zn1.6- Ba1.2; and bostonite: Ni54- Mo14- Rb9.8- Ta5.3- Nb4.4- Cu3.3- Y2.4- U2.3- Hf1.7- Zr1.4- Th1.3. Microgranite and dolerite have the highest U-contents whereas the two-mica granite has high Th. Microgranite and two-mica granite and bostonite belong to calc-alkaline affinity, while dolerite belongs to tholeiitic. Two-mica granite, microgranite and dolerite fall into meta- and/or peraluminous rocks, whereas bostonite fall in the peralkaline field. Two-mica granite and microgranite are located volcanic arc syn-collision granites, while dolerite and bostonite fall into within plate field. The temperature of crystallisation of two-mica granite ranges from 700°C to 750°C, microgranite from 750°C to 800°C, dolerite from 800°C to 900°C and bostonite ranges from 950°C to 1020°C. The contents of uranium, thorium and potassium were determined and showed high concentrations for radioactive elements.

KW - El Sela

KW - geochemistry

KW - intrusive rocks

KW - thorium

KW - uranium

UR - http://www.scopus.com/inward/record.url?scp=85100205568&partnerID=8YFLogxK

U2 - 10.1080/03067319.2021.1873310

DO - 10.1080/03067319.2021.1873310

M3 - Article

AN - SCOPUS:85100205568

JO - International Journal of Environmental Analytical Chemistry

JF - International Journal of Environmental Analytical Chemistry

SN - 0306-7319

ER -

ID: 74541483