Document Type : scientific-research article
Author
u
Abstract
Based on description and nature of Geomorphology, the Geomorphologists must be have specific tendency to form of Earth crust's landforms and their transformation. But some of related specialists in Iran, believe that questa have relationship to old (Paleo) geology formations, and by this reason say that questa there is not in Iran. Whereas anothers such as the writer (author) of this articl, with attention to geomorphology nature and it's description withal Presentation of reasons in the text of article, believe that Positively (certainly) the Questa there is in Iran. In this study, the researchs applied are historical and experimental methodes , and for reasoning (or evidence) of questa existence in Iran, in addidtion to pay attention on geomor phology theory Bases of questa (for example: description and geometric specialitis of questa, hypothesises of questa genesis and transformation etc.), and specialitis on structural and climatic geomorphology of Iran, observations and field studies special in Tabas pit affair ended. On other side, sombody of foreign and Iranian goomorphologists (such as theodor oberlander, Dr. Ebrahim Amin sobhani, Dr. Mousavi Harami, and Dr. Adabi) have studied and intruduced the anothers questa in the Regions of Iran, and thereby, existence of questa in Iran is confirmed and evidence by writer of article. Becausee in addition to their studies, study of the writer (special in Tabas pit) has been showed and indicated that exsisting questa in Iran, firstly: Completely have conformity with description and geometric specialitis of questa, secoudly: from an genesis point agree with hypothesises of questa formation, thirdly: with the view of Irans formation and creation of questa morphosystemes (for example, Butte, subsequent, consequent, obsequent etc.) that has been grafted with climatic conditions of Iran, and therefore They have completely Typic forms. Especial in the Tabas pit Beacause of deserting conditions, questa and their morpho systems, openly are obvious.
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