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Kashmar granitoids of Taknar zone, in north part of Lut block, intruded into volcanic rocks and consist of granites, granodiorites, monzodiorite and gabbrodiorites. They are composed of mainly plagioclase, alkali-feldspar, quartz, amphibole, biotite and pyroxene minerals. Harker diagram variation, including negative correlations CaO, MgO, FeO, TiO2 and V and positive correlations K2O, Rb, Ba, a...
With a preliminary character, the results of the recently archaeological documentation conducted at the sites of La Quemada Corozal, Ta Aj Corozal and Torre Corozal are presented here. These sites are located southeast of the Yaxha-NakumNaranjo National Park, 8 km north of the village of El Zapote. The preliminary analysis of the information gathered in the field has led to an increased knowled...
The north western part of volcano-sedimentary complex of Davazdah-Emam mountain in north of Central Iran is located about 135 km SE Tehran. The Eocene to Oligocene volcanic rocks and dikes of intermediate to mainly basic of complex under the influence of hydrothermal fluids, probably associated with the involvement of meteoric water, experienced different degrees of alteration. The alteration o...
The Murray Geological Basin is a large but relatively shallow Cenozoic sedimentary basin, extending over 300,000 km of south-eastern Australia (Figure 4.1). Some 23,000 km of the Murray Geological Basin occurs within 150 km of Broken Hill (Figure 3.1), with the north-west margin of the basin adjacent to the fractured rock uplands where Broken Hill is located (Figure 4.2). Contours for the base ...
A study was conducted on the first comprehensive survey of vascular plants in Makok Mountain. Surveyed Area located northwest Sulaymaniyah governorate Iraqi Kurdistan Region, botanical physiographic mountain Rowanduz district, as a part forest region. area is situated about 120 km North city. The period Field work were from spring 2021 to 2022. Over 2000 plant taxa collected. As results, 351 65...
neotectonic investigation of kakli- raz area located at northern khorasan using morphometric indices
study area is located in the central kopehdagh north of bojnurd and shirvan cities, between kakli and raz villages. aim of this research is separating high activity area from low activity. in this study, in order to evaluate rate of tectonic activity, stream length-gradient index (sl), ratio of valley floor width to valley height (vf), transverse topographic system (t), hypsometric integral (hi...
The study area is located in the Kerman province, 10 Km north of Rabor. Geologically, the area is situated in the eastern section of Dehaj-Sarduiyeh belt which is a part of Urumieh-Dokhtar magmatic assemblage. The dykes were intruded in the Eocene pyroclastic rocks and Pliocene sedimentary units. Petrographic studies show that these rocks are andesitic in composition. Mineralogically they are c...
The study area is located about 220 km southwest of Mashhad and 80 km south of Neyshabur, at 54° 42' 15" to 54° 43' 40" longitude. Initially, remote sensing is carried out based on the SAM method and it denotes propylitic, carbonitization, silicification and argillic alterations. This area comprises of outcrops of Paleocen-Eocene volcanics. Golcheshmeh area also shows copper mineralization at s...
the aim of this paper is eliminating cr(vi) by natural hap. hap is a inexpensive material which is used from bovine critical bone ash in order to remove heavy metal ions like cr(vi). some experiments in different ph are performed (ph=2,3,7). maximum adsorption was appeared at ph=2, dosage=0.3 gr, c0=10 mg/l. cr(vi) removal depends on ph value and initial amount of cr(vi) result of experiments w...
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