نتایج جستجو برای: source rock geochemistry
تعداد نتایج: 459759 فیلتر نتایج به سال:
This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the co...
Abstract Very primitive ultramafic igneous rocks occur at Mt. La Queglia (Abruzzo, Italy). They form a strongly deformed sill–dyke system now tilted vertically. These were initially classified as alnöite and, subsequently, have been suggested to be carbonatitic olivine melilitite. However, further investigation and interpretation of these is needed due the presence hand-specimen-scale textural ...
Both Sangan and Tannurjeh magnetite deposits are Iron-oxides type. Geochemistry and petrography of source rocks at Tannurjeh and Sangan were studied in detail. The source rocks at Sangan are compused of quartz hornblende alkali syenite porphyry and quartz biotite-hornblende alkali syenite porphyry ; while The source rocks at Tannurjeh varies between hornblende quartz diorite porphyry and h...
Abstract During the Mexican fold-and-thrust belt tectonics, inboard migration of long-term cordilleran magmatism typifies geological setting during Cretaceous–Paleogene period. The Concepción del Oro Igneous Complex (COIC) represents one most internal and isolated magmatic pulses that occurred this activity. In work, plutonic rocks from COIC were studied using petrography, U–Pb geochronology, w...
فروافتادگی درفول یک ناحیه ای در جنوب خوزستان می باشد با مساحت 60000 متر مربع که 45 میدان نفتی با بیش از 360 بیلیون بشکه نفت درجا معادل 12? مخازن کل دنیا می باشد. پتانسیل سنگ های منشا فروافتادگی دزفول در چاههای منتخب (اهواز-26? آزادگان -2 و دارخوین -2 ) را با توجه به داده های در دسترس ژنوشیمایی و همچنین با مدلسازی حوضه توسط نرم افزار genex مورد مطالعه قرار گرفته اند و تاریخچه تدفین و حرارتی ساز...
The permanent ice cover of Lake Vida (Antarctica) encapsulates an extreme cryogenic brine ecosystem (-13 °C; salinity, 200). This aphotic ecosystem is anoxic and consists of a slightly acidic (pH 6.2) sodium chloride-dominated brine. Expeditions in 2005 and 2010 were conducted to investigate the biogeochemistry of Lake Vida's brine system. A phylogenetically diverse and metabolically active Bac...
Petrology and geochemical characteristics of granitic rocks from South Sulawesi, especially from Polewaliand Masamba area are presented in order to elucidate their origin of magma and geodynamic setting. The granitic rocks in these areas are dominated by granodiorite and granite in composition. Quartz, K-feldspar and plagioclase occur as major phases with hornblende and biotite as major ferroma...
0883-2927/$ see front matter 2010 Elsevier Ltd. A doi:10.1016/j.apgeochem.2010.09.010 ⇑ Corresponding author. Fax: +1 819 797 4727. E-mail address: [email protected] (B. Plante). Sorption phenomena are known to play significant roles in metal mobility in mine drainage waters. The present study focuses on sorption phenomena controlling Ni concentrations in contaminated neutral drainage issue...
1-Introduction: Some researchers defined environment pollution as any change in properties of the environment members in a way that makes not only natural performance and biological balance disordered but also jeopardizes the benefits and the life of living creatures directly and indirectly. For centuries, different heavy metals, whether anthropogenic or earth-made, have been releasing into wat...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید