GEOLOGY OF THE PENGKALAN HULU-BETONG TRANSECT ...

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8 PERIOD/EPOCH FORMATION/UNIT STRATIGRAPHIC COLUMN DESCRIPTION Surficial deposits - unconsolidated gravel, sand, silt and clay of fluviatile and colluvial HOLOCENE Alluvium (Qa) origin. Semi-consolidated deposits consist of gravelly, sandy and silty beds, chanelling is common. Unconformity Conglomerate, grey to reddish, very poorly sorted, subangular to rounded clast of up to 40cm in diameter. Nenering beds (Qnn) PLEISTOCENE QUATERNERY TERTIARY Berapit formation (Kbr) CRETACEOUS JURASSIC Unconformity TRIASSIC Mainly tuffs of rhyolitic and rhyodacitic composition, occasionally metamorphosed; limestone and calcareous shale lenses occur sporadically; interbeds of tuff, limestone and calcareous shale also occur. Gerik formation (Pgk) PERMIAN Well-bedded areno-argillaceous rocks with subordinate ribbon chert. The rocks had been invariably metamorphosed especially the one closer to the granite body. Kubang Pasu (Ckp) CARBONIFEROUS Ribbon chert Argillaceous facies: Mainly shale and phyllite; commonly carbonaceous, with subordinate chert. d b DEVONIAN Calc-silicate facies: Grey calc-silicate hornfels. Calcareous facies: Grey to dark grey impure limestone. Arenaceous facies: Mainly metasandstone, occur sporadically within the argillaceous facies. c c b d a Kroh formation (SDkr) SILURIAN a (It is difficult to establish the order of the rock succession owing to folding, faulting, and the lenticular shape of the rock units as well as a repetitious character of its components) Figure 3: Schematic stratigraphic column of the Betong-Pengkalan Hulu Transect area, Malaysia (not to scale).
Central – North Peninsular Malaysia Northeast Perak- Northwest Kelantan East Kedah-Central North Perak Perlis – Central North Kedah West Kedah - Perlis Era Period / Region Nenering beds QUATERNARY Batu Arang beds TERTIARY CZC Panau beds Berapit formation Saiong beds CRETACEOUS JURASSIC Telong formation Semanggol Formation Kodiang limestone TRIASSIC MESOZOIC Taku schist Gerik formation Cherty unit Chuping limestone PERMIAN Mangga formation Kubang Pasu Formation Singa Formation Singa Formation CARBONIFEROUS Kampung Sena formation DEVONIAN Tiang schist Kroh formation Setul Formation Mahang Fomation SILURIAN P A L A E O Z O I C ORDOVICIAN ? ? ? ? ? ? ? ? Jerai Formation ??? Machinchang Formation LATE CAMBRIAN Figure 4: Simplified geological correlation of the Transect area on the Malaysian side 9
Page 5 and 6: GEOLOGY OF THE PENGKALAN HULU-BETON
Page 7 and 8: PREFACE This report together with t
Page 9 and 10: Geology of the Pengkalan Hulu-Beton
Page 11: granite (Trgrbp/pr) and Kawi granit
Page 14 and 15: x LIST OF FIGURES Page Figure 1: Lo
Page 17 and 18: 1. INTRODUCTION The Malaysia-Thaila
Page 19 and 20: On the Thai side, detailed systemat
Page 21 and 22: Basir Jasin (1995) reported the occ
Page 23: Permian as indicated by the presenc
Page 27 and 28: The Permian Ratburi Group (Prb), un
Page 29 and 30: Figure 5: General succession of the
Page 31 and 32: Era CENOZOIC MESOZOIC P A L A E O Z
Page 33 and 34: strong isoclinal folding, faulting,
Page 35 and 36: A B Figure 8: Argillaceous facies o
Page 37 and 38: Fossils and age According to the ea
Page 39 and 40: metaconglomerate occurs in the uppe
Page 41 and 42: The lower part of the formation is
Page 43 and 44: Figure 14: Stratigraphic sequence o
Page 45 and 46: A Figure 16: Photographs showing th
Page 47 and 48: the banks of small rivers and strea
Page 49 and 50: Figure 18: Stratigraphic sequence o
Page 51 and 52: A C Figure 20: Photographs of the u
Page 53 and 54: Lithology The Tham Krachaeng format
Page 55 and 56: 3.1.4 The Gerik formation (Pgk) The
Page 57 and 58: Small amounts of interbedded sedime
Page 59 and 60: Depositional environment Based on t
Page 61 and 62: nomenclature of the Nenering beds (
Page 63 and 64: A B Figure 33: Exposures of the Nen
Page 65 and 66: A B Figure 35: Outcrop of Basal Gra
Page 67 and 68: The rock sequence of the Nenering b
Page 69 and 70: 3.3.1 Rimba Telui/Si Nakhon granite
Page 71 and 72: 3.3.2 Bintang granite (Trgrbt) Dist
Page 73 and 74: A B Figure 41: The Chantharat grani
Page 75 and 76:
intrusion of the granitoids mention
Page 77 and 78:
The Silurian-Devonian rock sequence
Page 79 and 80:
5.2 Metallic Minerals The occurrenc
Page 81 and 82:
arsenopyrite and grossularite are c
Page 83 and 84:
British American Tin Mines Company
Page 85 and 86:
5.3 Non-Metallic Minerals and Hot S
Page 87 and 88:
Figure 50: Limestone quarry at Buki
Page 89 and 90:
Ban Bor Nam Ron, 9 km north of Beto
Page 91 and 92:
well-cemented, poorly sorted matrix
Page 93 and 94:
Foo, K.Y., 1990. Geology and Minera
Page 95 and 96:
Sashida, K., Nakornsri, N., Ueno, K
Page 97 and 98:
Appendix 1: List of the Malaysian W
Page 99 and 100:
Appendix 3: XRD analysis results fo
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