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Journal of Himalayan Earth Sciences 45(1) (
Mineralogy and geochemistry of diorites and associated hydrothermal sulfide mineralization of Gawuch Formation in Drosh area, Chitral, northern Pakistan
Tazeem Tahirkheli, M. Tahir Shah, M. Asif Khan and Rubina Bilqees
National Centre of Excellence in Geology, University of Peshawar, Pakistan
Sulfide mineralization in Drosh-Shishi area is related to hydrothermal activity which is mainly associated with altered diorite and quartz veins of Gawuch Formation. This Formation comprises variably metamorphosed volcanics and sediments intruded by plutons of diorite and granodiorite composition. Three varieties of diorites are distinguished in the studied area. These include 1) diorites, 2) altered diorites and 3) gneissose diorites. All types of diorites are mineralogically similar having major constituent minerals like plagioclase, orthoclase, amphibole and quartz. Calcite, chlorite, and epidote occur as minor secondary minerals while muscovite, biotite and ore occur as accessory phases.
Detailed geochemistry, mainly based on major and trace elements, suggests that the magmatism responsible for Gawuch Formation was calc-alkaline and contains strong subduction component. Sulfide mineralization occurs in association with diorites and quartz veins, along foliation planes, as dissemination and as supergene enrichment. Tetrahedrite, chalcopyrite, pyrite and galena are dominant ore minerals with subordinate amounts of sphalerite, magnetite, malachite and azurite. Electron microprobe analyses show the pure nature of these ore phases. A variable gain and loss of MnO, K2O, Na2O and P2O5 are noticed in mineralized diorite which shows an enrichment of Cr, Zn, Mo, Cd, Ag and Au. Both mineralized diorites and mineralized quartz veins have a high δ18O signature, suggesting the involvement of isotopically heavy ore forming fluid in the alteration and copper mineralization.
Keywords: P Sulfide-mineral
正在加载中，请稍后...M. J. Frisch, G. W. Trucks, H. B. Schlegel, G. E. Scuseria, M. A. Robb, J. R. Cheeseman, J. A. Montgomery Jr., T. Vreven, K. N. Kudin, J. C. Burant, J. M. Millam, S. S. Iyengar, J. Tomasi, V. Barone, B. Mennucci, M. Cossi, G. Scalmani, N. Rega, G. A. Petersson, H. Nakatsuji, M. Hada, M. Ehara, K. Toyota, R. Fukuda, J. Hasegawa, M. Ishida, T. Nakajima, Y. Honda, O. Kitao, H. Nakai, M. Klene, X. Li, J. E. Knox, H. P. Hratchian, J. B. Cross, V. Bakken, C. Adamo, J. Jaramillo, R. Gomperts, R. E. Stratmann, O. Yazyev, A. J. Austin, R. Cammi, C. Pomelli, J. W. Ochterski, P. Y. Ayala, K. Morokuma, G. A. Voth, P. Salvador, J. J. Dannenberg, V. G. Zakrzewski, S. Dapprich, A. D. Daniels, M. C. Strain, O. Farkas, D. K. Malick, A. D. Rabuck, K. Raghavachari, J. B. Foresman, J. V. Ortiz, Q. Cui, A. G. Baboul, S. Clifford, J. Cioslowski, B. B. Stefanov, G. Liu, A. Liashenko, P. Piskorz, I. Komaromi, R. L. Martin, D. J. Fox, T. Keith, M. A. Al-Laham, C. Y. Peng, A. Nanayakkara, M. Challacombe, P. M. W. Gill, B. G. Johnson, W. Chen, M. W. Wong, C. Gonzalez and J. A. Pople, “GAUSSVIEW 3.0, Revision D.02,” Gaussian Inc., Wallington, 2004.
被如下文章引用：
AUTHORS: ,
KEYWORDS: NBO; QTAIM; A I Nucleophilic A Electron D Laplacian of the Electron Density
JOURNAL NAME:
Sep 05, 2014
Substances known as nitrogen mustards turn into aziridinium ion
through the intramolecular cyclization SN1. This ion reacts with the
DNA preferably at the N7 position of the guanine, and because of
this, it is an important antineoplastic agent. Based on this, the
objective of this study is to quantify the interaction between the nitrogen
mustard mechlorethamine and the guanine, using the NBO analysis and the QTAIM
theory. The results of the NBO analysis showed that when the triangular cycle C4-N1-C5 is formed, there is some resonance among these atoms. This analysis also showed
that the electronic transition at the sigma antibondingorbital σ* N1-C4 presents
higher perturbation energy of second order, indicating that this bond is broken
at the nucleophilic attack of the N7 nitrogen of guanine. The
analysis that refers to the electron density obtained by the QTAIM theory
indicates that the guanine proximity enables an electron density polarization
of the BCPs aziridinium ion of mechlorethamine making that the frontal part of
the ion becomes electron deficient. Finally, the relative results to the
Laplacian of the electron density obtained by the QTAIM theory showed that the
guanine approximation increases the “hole” factor at the C4, proving同步各端记录
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@微博好友，送歌给Ta！
》 Shawty bad
Slim thick
She my drug
她是我的毒药
She my fix
也是我的解药
And I&#039;m all up in her mix
为她付出我的一切
She be mixing with the wrist
她肯定会对我形影不离
She the plug
她身价不菲
She finesse
她年轻貌美
She the one they call the GOAT
她正是人称“史上最美”的靓女【GOAT=Greatest Of All Time】
She don&#039;t stress
她从不会操心
She don&#039;t trip and fuck with all my bros
她为人沉着，跟我兄弟们相处得也融洽【fuck with=get along with】
So if I gotta choose someone
所以如果要我选择的话
Then it must be her she been here since day one
那么从她来到这的第一天起我就认定了她
I guess I&#039;ma have to call her bae
我猜我会情不自禁把她当宝贝
I guess I&#039;ma have to call her bae
我猜我会情不自禁把她当宝贝
I guess we gon&#039; have to go hit London
我想我们会一起度蜜月遨游去伦敦
Paris and Montego Bay
还有巴黎和蒙特哥贝
I guess I&#039;ma have to call her bae
我猜我会情不自禁把她当宝贝
I guess she gon have to scream my name
我猜她肯定会高兴得喊出我的名字
Now every time that she come to the crib
现在她每一次来到我的家里
I&#039;ma break her back like I break that bank
我都像刷爆银行卡那样给她卖力推车
I guess I&#039;ma have to call her bae
我猜我会情不自禁把她当宝贝
I guess I&#039;ma have to call her bae
我猜我会情不自禁把她当宝贝
I guess I&#039;ma have to call her bae
我猜我会情不自禁把她当宝贝
I guess I&#039;ma have to call her bae
我猜我会情不自禁把她当宝贝
I guess I guess I guess
我猜，我猜，我想
It&#039;s about time that you get what you need and what you deserve
现在是时候该给你赏赐点你应得的一切
This love been buzzing like bees
这爱像嗡嗡的蜜蜂蠢蠢欲动
I&#039;m thinking the end, we been through the worst
我想到最后，我们会度过那些风雨
My sign match your sign
我和你情投意合
I gotta thank God for the universe
还得感谢上帝创造这宇宙
Ain&#039;t had a nigga like me this is new to her
没有谁像我这样对她这么有新鲜感
Girlfriends like sheesh, what he do to her?
妹子们都奇怪我怎么对她这样着迷
I&#039;m on, yeah I&#039;m on
没错，我是有点上头
Blast that song
放起那首歌
Can&#039;t do wrong
得好好表现
I see your ass could agree
我看你身体可不会拒绝
She my right hand no pledge of allegiance
她在我的身旁始终都对我忠贞不移
GOAT, yeah, she the GOAT
史上最美，她美出新境界
I brag and I boast
连我都赞不绝口
Niggas tryna pass, wanna take my place
有些人不知量力试图来取代我的地位
Til&#039; they play dumb I&#039;ma call her bae
等他们统统被拒绝，我再坐享其成
So if I gotta choose someone
所以如果要我选择的话
Then it must be her she been here since day one
那么从她来到这的第一天起我就认定了她
I guess I&#039;ma have to call her bae
我猜我会情不自禁把她当宝贝
I guess I&#039;ma have to call her bae
我猜我会情不自禁把她当宝贝
I guess we gon&#039; have to go hit London
我想我们会一起度蜜月遨游去伦敦
Paris and Montego Bay
还有巴黎和蒙特哥贝
I guess I&#039;ma have to call her bae
我猜我会情不自禁把她当宝贝
I guess she gon have to scream my name
我猜她肯定会高兴得喊出我的名字
Now every time that she come to the crib
现在她每一次来到我的家里
I&#039;ma break her back like I break that bank
我都像刷爆银行卡那样给她卖力推车
I guess I&#039;ma have to call her bae
我猜我会情不自禁把她当宝贝
I guess I&#039;ma have to call her bae
我猜我会情不自禁把她当宝贝
I guess I&#039;ma have to call her bae
我猜我会情不自禁把她当宝贝
I guess I&#039;ma have to call her bae
我猜我会情不自禁把她当宝贝
She the GOAT, she the GOAT
她是史上最好，史上最美
She the GOAT, she the GOAT
她是史上最好，史上最美
Greatest of all time
始终都不可媲美
Yeah, yeah, yeah, yeah
对，对，对，对
Gucci on all the time
一直都赏心悦目【Gucci=Awesome】
Yeah, yeah, yeah, yeah
对，对，对，对
She the GOAT, she the GOAT
她是史上最好，史上最美
She the GOAT, she the GOAT
她是史上最好，史上最美
Greatest of all time
始终都不可媲美
Yeah, yeah, yeah, yeah
对，对，对，对
Gucci on all the time
一直都赏心悦目
Shawty bad
Slim thick
She my drug
她是我的毒药
She my fix
也是我的解药
And I&#039;m all up in her mix she be mixing with the wrist
为她付出我的一切，她肯定会对我形影不离
She the plug
她身价不菲
She finesse
她年轻貌美
She the one they call the GOAT
她正是人称“史上最美”的靓女
She don&#039;t stress
她从不会操心
She don&#039;t trip and fuck with all my bros
她为人沉着，跟我兄弟们相处得也融洽
文本歌词最后由
编辑于 16:58
你可能会喜欢的歌单
人龊和听什么歌没有关系
GOAT，yeah，She the GOAT！
[带墨镜笑]
终于找到了！
Gucci on all the time难道不是说我天天穿Gucci吗
(第1页, 共91条)
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