The mineralization index of Yeylaghe Gharachi, as part of Arasbaran metallogenic belt, is located about 25 km northwest of Ahar, East-Azarbaidjan Province, NW Iran. The host rocks of this index consist of composite intrusive rocks with lithologic compositions of granite, quartz monzonite, granodiorite and diorite of Oligocene and Oligo-Miocene age. The alteration zones in this area are mainly p...

The Mazra'eh Shadi is located about 130 km northeast of Tabriz (NW Iran) in the Arasbaran metallogenic belt. The deposit occurs as a series of veins within the Eocene andesites. Mineralization shows epithermal system that controlled by fault distribution. Epithermal textures within the veins include comb, vaggy quartz, cockade, boxworke, plate calcite and breccia. Pyrite is the main ore mineral...

        The prevalence of Corona disease as one of the most critical infectious diseases has increased the risks of food security in different parts of the world. Local communities, especially in rural areas, are highly dependent on natural resource-based ecosystem service strategies to manage global food security and meet livelihood needs. Forests and pastures can also provide goods and servic...

Ecophysiography is the geography of the earth and the relationship between physiography and the ecosystem. Ecophysiography is a basis for planning processes to study the characteristics of terrestrial systems concerning the interactions between terrestrial physiography and living organisms. Due to the current state of ecosystems and the increase in natural disasters for ecosystem sustainability...

          علوم و تکنولوژی محیط زیست، دورهنوزدهم، شماره چهار، زمستان 96   بررسی ساختار توده­های انارشیطان (Tecomellaundulata R.) در استان بوشهر   زهرا ذولفقاری[1] مصطفی مرادی [2] * [email protected] رضا بصیری [3] اکبر قاسمی[4]   تاریخ دریافت:21/9/94 تاریخ پذیرش:6/11/94   چکیده زمینه و هدف: ساختار از عوامل مهم زیست محیطی است که می­تواند ویژگی­های منحصر به فردی را در جنگل ایجاد نماید...