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The lower member of Kalaw Formation is an interbedded unit\r consisting of thin- to medium- bedded red sandstone, siltstone and shale. The good\r exposure of this member can be observed around the environs of Yegauk, Danrwe,\r Pinle and south of U-saung village and along the Pinlaung-Naypyitaw Car road. The\r middle conglomerate-sandstone member is an interbedded interval of medium- to\r thick-bedded, polymictic conglomerates and thin- to medium-bedded red siltstone and\r sandstone. Planar cross-beddings, pebble imbrication and gradded bedding occur in\r this member. This member well crops out near Htibwa Anau village, Yegauk\r monestry, near U-saung and along the Pinlaung-Naypyitaw Car road section. The\r upper member is a unit of thick-bedded to massive, hard, dark purplish to dark grey\r conglomerate intercalated with red siltstone.The conglomerates are poorly sorted and\r consist of limestone, dolomitic limestone, chert, red sandstone, and buff coloured\r sandstone pebbles which are cemented by red silt and sand. Upper conglomerate\r exposes near Zarka, Kyaungso, Ngwedaung, Htibwa Anau, Kondon, Shadein, Usaung,\r and near Yegauk villages.No fossil has been found from this formation in the\r study area. This unit unconformably overlies the Loi-an Group and the Plateau\r Limestone Group. On the basic of lithologic characters and stratigraphic position, the\r Kalaw Formation can be correlated with the Kalaw Formation of Khin Maung Win\r (1978), and Kalaw Red beds of MaungThein (2014). Therefore the age of the Kalaw\r Formation is thought to be taken as Cretaceous age.The sandstones of Kalaw\r Formation fall in the field of \"Litharenite and Arkose\" according to Pettijohn et.al,\r (1987) and it might be the deposit of large rivers, either alluvial or delta. It may be\r interpreted the conglomerate beds of the study area may be deposited as the alluvial\r or fluvial fan deposits."}]}, "item_1583103108160": {"attribute_name": "Keywords", "attribute_value_mlt": [{"interim": "Yimi area"}]}, "item_1583103120197": {"attribute_name": "Files", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_access", "date": [{"dateType": "Available", "dateValue": "2020-05-05"}], "displaytype": "preview", "download_preview_message": "", "file_order": 0, "filename": "Thaire Phyu Win.pdf", "filesize": [{"value": "674 Kb"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_free", "mimetype": "application/pdf", "size": 674000.0, "url": {"url": "https://meral.edu.mm/record/282/files/Thaire Phyu Win.pdf"}, "version_id": "d7e40631-7e37-40bd-95d9-ca92d5743479"}]}, "item_1583103131163": {"attribute_name": "Journal articles", "attribute_value_mlt": [{"subitem_issue": "1", "subitem_journal_title": "Yadanabon University Research Journal", "subitem_volume": "8"}]}, "item_1583103147082": {"attribute_name": "Conference papaers", "attribute_value_mlt": [{}]}, "item_1583103211336": {"attribute_name": "Books/reports/chapters", "attribute_value_mlt": [{}]}, "item_1583103233624": {"attribute_name": "Thesis/dissertations", "attribute_value_mlt": [{"subitem_supervisor(s)": []}]}, "item_1583105942107": {"attribute_name": "Authors", "attribute_value_mlt": [{"subitem_authors": [{"subitem_authors_fullname": "Dr.Thaire Phyu Win"}, {"subitem_authors_fullname": "Daw Khin Yuzana Win"}]}]}, "item_1583108359239": {"attribute_name": "Upload type", "attribute_value_mlt": [{"interim": "Publication"}]}, "item_1583108428133": {"attribute_name": "Publication type", "attribute_value_mlt": [{"interim": "Journal article"}]}, "item_1583159729339": {"attribute_name": "Publication date", "attribute_value": "2017"}, "item_1583159847033": {"attribute_name": "Identifier", "attribute_value": "https://oar.ydbu.edu.mm/handle/123456789/205"}, "item_title": "Occurrences of the Kalaw formation in Yimi Area, Pinlaung Township, Southern Shan State", "item_type_id": "21", "owner": "1", "path": ["1582966668038"], "permalink_uri": "http://hdl.handle.net/20.500.12678/0000000282", "pubdate": {"attribute_name": "Deposited date", "attribute_value": "2020-03-05"}, "publish_date": "2020-03-05", "publish_status": "0", "recid": "282", "relation": {}, "relation_version_is_last": true, "title": ["Occurrences of the Kalaw formation in Yimi Area, Pinlaung Township, Southern Shan State"], "weko_shared_id": -1}
  1. Yadanabon University
  2. Department of Geology

Occurrences of the Kalaw formation in Yimi Area, Pinlaung Township, Southern Shan State

http://hdl.handle.net/20.500.12678/0000000282
http://hdl.handle.net/20.500.12678/0000000282
7c93a8bd-0f8f-4e24-950c-c002cce74bc3
1c2097b6-390c-40a4-bd77-f7c3e1eed938
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Thaire Thaire Phyu Win.pdf (674 Kb)
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Journal article
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Title
Title Occurrences of the Kalaw formation in Yimi Area, Pinlaung Township, Southern Shan State
Language en
Publication date 2017
Authors
Dr.Thaire Phyu Win
Daw Khin Yuzana Win
Description
The present study area is situated in the Pinlaung Township, southern Shan State. The
study area lies in the southern part of the Kalaw-Pinlaung Basin. It comprises the
Plateau Limestone Group of Permian to Triassic age, Loi-an Group of Jurassic age,
and Kalaw Formation of Cretaceous age. The Kalaw Formation can be subdivided
into three members. The lower member of Kalaw Formation is an interbedded unit
consisting of thin- to medium- bedded red sandstone, siltstone and shale. The good
exposure of this member can be observed around the environs of Yegauk, Danrwe,
Pinle and south of U-saung village and along the Pinlaung-Naypyitaw Car road. The
middle conglomerate-sandstone member is an interbedded interval of medium- to
thick-bedded, polymictic conglomerates and thin- to medium-bedded red siltstone and
sandstone. Planar cross-beddings, pebble imbrication and gradded bedding occur in
this member. This member well crops out near Htibwa Anau village, Yegauk
monestry, near U-saung and along the Pinlaung-Naypyitaw Car road section. The
upper member is a unit of thick-bedded to massive, hard, dark purplish to dark grey
conglomerate intercalated with red siltstone.The conglomerates are poorly sorted and
consist of limestone, dolomitic limestone, chert, red sandstone, and buff coloured
sandstone pebbles which are cemented by red silt and sand. Upper conglomerate
exposes near Zarka, Kyaungso, Ngwedaung, Htibwa Anau, Kondon, Shadein, Usaung,
and near Yegauk villages.No fossil has been found from this formation in the
study area. This unit unconformably overlies the Loi-an Group and the Plateau
Limestone Group. On the basic of lithologic characters and stratigraphic position, the
Kalaw Formation can be correlated with the Kalaw Formation of Khin Maung Win
(1978), and Kalaw Red beds of MaungThein (2014). Therefore the age of the Kalaw
Formation is thought to be taken as Cretaceous age.The sandstones of Kalaw
Formation fall in the field of "Litharenite and Arkose" according to Pettijohn et.al,
(1987) and it might be the deposit of large rivers, either alluvial or delta. It may be
interpreted the conglomerate beds of the study area may be deposited as the alluvial
or fluvial fan deposits.
Keywords
Yimi area
Identifier https://oar.ydbu.edu.mm/handle/123456789/205
Journal articles
1
Yadanabon University Research Journal
8
Conference papaers
Books/reports/chapters
Thesis/dissertations
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