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Geology and mineral resources of the Taiping - Kuala Kangsar area, Perak Darul Ridzuan. (Record no. 13)

000 -LEADER
fixed length control field 03661pam a22001697 4500
008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION
fixed length control field 160307t1990 my 000 0 eng
082 ## - DEWEY DECIMAL CLASSIFICATION NUMBER
Classification number 555.9 FOO
100 ## - MAIN ENTRY--PERSONAL NAME
Numeration Foo Khong Yee
245 ## - TITLE STATEMENT
Title Geology and mineral resources of the Taiping - Kuala Kangsar area, Perak Darul Ridzuan.
250 ## - EDITION STATEMENT
Edition statement Map Report 1
260 ## - PUBLICATION, DISTRIBUTION, ETC.
Name of publisher, distributor, etc. Geological Survey of Malaysia, Ministry of Primary Industries Malaysia,
Date of publication, distribution, etc. 1990.
Place of publication, distribution, etc. Kuala Lumpur:
300 ## - PHYSICAL DESCRIPTION
Extent ill. 145 p. (Includes references and index).- 17.5 cm x 24.6 cm.-
Accompanying material Accompanying material: Geological Map (Taiping & Kuala Kangsar.- Sheet 2M/2, 2M/3 & 2M/4.- Scale 1 : 63,360.- 1990)
500 ## - GENERAL NOTE
Executive Summary Price: RM 50.00<br/><br/>Abstract.<br/><br/>The map area, which includes the Larut tin fields, was important for its role as the major Malayan tin producer before the discovery of the Kinta tin fields. Today, it has lost its place and glamour as the major producer, but for the period 1964 - 1968, still maintained a much diminished, but steady, record by accounting for about 4% of Perak state's production of tin ore.<br/><br/>The oldest rocks occurs to the southest, consisting of the Salak Baharu beds, Kati beds and the Pondok marbles: these occur as units and are unfossiliferous, so that their exact age is still not certain, but they are here assigned a late Palaeozoic age on the grounds of proximity of occurence, structural similarities and, in part, lithological similarity and contiguity. To the west is the Semanggul formation, comprising conglomerate and rhythmitebeds: the sequence has a typical flysch aspect, and lameli-branchs found in the shales indicate a Mid Triassic age. An isolated body of recrystallized limestone situated in Batu Kurau is considered to be part of the Semanggul formation based on evidence obtained from photogeology, bedrock lithology below the Taiping alluvium and dissimilarities to the Pondok marbles.<br/><br/>The Palaeozoic and Triassic sediments are intruded by porphyritic biotite granite which caused the development of a narrow thermally metamorphosed zone in the country rock. Shearing, which is most prominent along northwest direction in the granite, has resulted in the development of zones of flaser granite, mylonites and other cataclasites. The variations in the texture and mineralogical composition of the granite are attributed to processes of contamination by numerous xenoliths at the time of emplacement and later hydrothermal alteration by pneumatolytic fluids.<br/><br/>Tourmalinization and greisenization, effected by late-phase pegmatite, quartz and aplite veins, have quite extensive, particularly in the contact areas of the granite. Tin mineralization reaches peak development in the Maxwell's Hill area where cassiterite has been recorded in both pegmatite and the altered granite. Weathering and erosion of this tin-bearing granite have accounted for a large part of the alluvial tin ore in the coastal plain. With the possible exception of the dome-shaped body of hornblende-biotite granite northwest of Kuala Kangsar (the Pongging Granite), all the granite in this area is believed to be Triassic.<br/><br/>Younger rocks included the Tertiary coal beds which are found in the Enggor area: these have been exploited in the past for coal. Most of the coastal plain and major river valleys are covered by very thick layers of alluvium. Recent deposits of rhyolitic ash overlie Pleistocene gravel in the valley of the Perak River: these are believed to have originated from volcanic eruptions in Sumatra. <br/><br/>
942 ## - ADDED ENTRY ELEMENTS (KOHA)
Source of classification or shelving scheme
Classification part 555.9 FOO
648 ## - SUBJECT ADDED ENTRY--CHRONOLOGICAL TERM
General subdivision Geology
Chronological subdivision Malaysia
Geographic subdivision Perak (Taiping - Kuala Kangsar)
650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM
General subdivision Mineral resources
Chronological subdivision Malaysia
Geographic subdivision Perak (Taiping - Kuala Kangsar)
Holdings
Withdrawn status Lost status Source of classification or shelving scheme Damaged status Not for loan Permanent Location Current Location Shelving location Date acquired Cost, normal purchase price Total Checkouts Full call number Date last seen Price effective from Koha item type
Available         BPT BPT General Stacks 08/03/2016 50.00   555.9 FOO 08/03/2016 08/03/2016 Books