Earth sciences research journal | |
PALEONTOLOGICAL STUDY OF THE ECHINODERMS IN THE QOM FORMATION (CENTRAL IRAN) | |
1  | |
关键词: Central Iran; Oligo-Miocene; Limestones; Echinoderms.; | |
DOI : | |
学科分类:天文学(综合) | |
来源: Universidad Nacional de Colombia * Departamento de Geociencias | |
【 摘 要 】
The Qom formation was formed in the Oligo-Miocene during the final sea transgression in Central Iran (Figure 1). The best outcrop is located in the vicinities of the Qom City, approximately 130 km at the south of Tehran. In general, the great heights of the zone are the result of intense tectonic activities. These heights have a number of faults and folds. Echinoderms are one of the most important and numerous fossil groups present in the Qom Formation and confirm the relationship of this environment with free waters. In the present investigation more than 100 prepared samples were studied and 17 species were identified, scanned and classified. These fossils are more abundant in the upper part of the A member, which illustrates the abundance and diversity in C1 and C3 sub-members belonging to the C member. To classify these samples, classical and up-to-date methods were used. However, the systematic schemes were used more frequently (Moore, 1966; 1969-1971).
【 授权许可】
CC BY
【 预 览 】
Files | Size | Format | View |
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RO201902012058133ZK.pdf | 15899KB | download |