نتایج جستجو برای: silicification

تعداد نتایج: 299  

Journal: :Plant and Soil 2021

Increasing the leaf silicification of cereal crops to ameliorate defenses against stresses and improve yields constitutes a major challenge in (sub-)tropical regions with highly desilicated soils. We tested efficacy different biochars – as readily available alternatives commercial fertilizers increase understand subsequent impacts traits that might benefit crops. compared application two (rice-...

Journal: :European Scientific Journal, ESJ 2022

Le prospect de Woulo-Woulo est situé au sud-est la Côte d’Ivoire précisément dans zone Maféré, à environ 8 km l’ouest du couloir cisaillement d’Aféma. constitué métasédiments (métagrauwackes et métaargilites), métavolcanites (laves andésitiques brèches) d’intrusions métarhyolites porphyriques métagabbros. Ces différentes lithologies ont été affectées par une importante activité hydrothermale ma...

نباتیان, قاسم , دلیران, فرحناز, رشیدنژاد عمران, نعمت‌اله, قادری, مجید,

Sorkheh Dizaj apatite - iron oxide deposit is located in southeast of Zanjan, within the Tarom subzone of Western Alborz - Azarbaijan structural zone. The oldest units in the area are Eocene trachyte, trachyandesite, olivine basalt and volcanoclastic brecciated tuff and lapilli tuff intruded by a quartz-monzonite, monzonite and granite subvolcanic pluton of Late Eocene - Early Oligocene age. Th...

Mazloumi Bajestani, , Malekzadeh Shafaroudi, , Sahebi Khader, ,

Fadiheh copper-gold prospect area in northwest of Torbat-e Heydariyeh in Khorasan Razavi Province is located in the central part of the Khaf-Kashmar-Bardaskan magmatic belt. This area includes outcrops of Eocene volcanic-pyroclastic units with felsicـintermediate nature. The lavas are andesite and latite, and pyroclastic units include rhyodacitic tuff, andesitic lithic tuff and ignimbrite. Intr...

ملکزاده شفارودی, آزاده, حیدریان شهری, محمدرضا , گندمکار‌, امیر حسین ,

Bot-e-Gaz prospect area is located 34 km north of Torbate-e-Jam, Khorasan Razavi Province. Geology of the area includes diorite, granodiorite, and syenogranite intrusinos that intruded in metamorphic rocks. Magnetic susceptibility of intrusive rocks is <5× 10-5 SI and belong to ilmenite series (reduced type). These intrusive rocks are metaluminous to peraluminous and vary from medium potassium ...

Journal: :International journal of advanced research 2022

South Sipilou is an area containing lateritic nickel mineralization that developed on ultramafic rocks in the department of Sipilou-Biankouma western Ivory Coast. The objective this study was to characterize petrography and hydrothermal alterations affecting these bed-rocks understand their involvement mineralization. Then compare them already characterized Sipilou-Biankouma. Thus, macroscopic ...

Journal: :Environmental Earth Sciences 2023

Abstract Gold mineralization in the El-Barramiya region of Eastern Desert, Egypt, is connected to post-accretionary stage throughout Central Desert. It represented by quartz, quartz-carbonate veins and disseminations listvenite rocks. The thrust contact between rock units area played an imperative part gold where obduction ophiolitic rocks over metasediments metavolcanics caused shear zones. Mi...

Journal: :Australian Journal of Earth Sciences 2023

Small-scale foliation boudinage structures occur in rocks that were sampled drill core from the Mount Isa Cu deposit, northwest Queensland. The necks of plunge gently to north and south as a result layer normal shortening parallel extension steeply west-dipping Urquhart Shale. Detailed petrographic analysis has identified an initial rim quartz dolomite, followed by infill replacement pyrrhotite...

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