12 28,,, 1 4 km,,,, [ 5 ],,,,, [ 6 ],, [ 3, 4 ], 55 m, 18 m,, [ 7210 ], [ 11, 12 ] 2 211, Tu2 biphytes, ( 1 ) Tubiphytes, 212,,,, [ 13 ], 60% ( 2),, 0

28 1 20093 Vol128No11 GLOBAL GEOLOGY Mar1 2009 : 1004 5589 (2009) 01 0011 09,,,,, 110004 :,, :, 4:, : ; ; ; ; : P534145; 5881248 : A D iagenesis of Late Carbon iferous phylloid algal reefs in southern Guizhou L I J in2mei, GONG En2pu, SUN Bao2liang, GUAN Chang2qing, ZHANG Yong2li School of Resources and C ivil Engineering, N ortheastern U niversity, Shenyang 110004, China Abstract: Through the methods of polarizing m icroscope and cathodolum inescence, the diagenesis of Late Carboniferous phylloid algal reefs in southern Guizhou is studied, which indicates diagenesis are mainly of bio2bind2 ing and baffling actions, m icritization, cem entation, compaction2p ressure solution, fracture, recrystallization and dissolution in type. Based on thin section analysis and cathodolum inescence, the diagenesis can be subdivided into four stages, including quasi2contemporaneous diagenesis phases, early diagenesis phase, burial diagenesis phase and ep igenetic diagenesis phases. D iagenetic and cathodolum inescent characteristics show that the reefs have gone through marine, meteoric freshwater and buried diagenetic environm ent. Key words: southern Guizhou; Late Carboniferous; phylloid algal reef; diagenesis; diagenetic environm ent 0,,,,, [ 1 ],, [ 224 ],,, : 2008207209; : 2008211205 : (40572014) : (19582),,,,. E2mail: gongep@mail1neu1edu1cn

12 28,,, 1 4 km,,,, [ 5 ],,,,, [ 6 ],, [ 3, 4 ], 55 m, 18 m,, [ 7210 ], [ 11, 12 ] 2 211, Tu2 biphytes, ( 1 ) Tubiphytes, 212,,,, [ 13 ], 60% ( 2),, 011110 mm, ( 3), 213,,,, : (1) ( 4, 8),,,, (2) ( 5),,,, 5,, (3) ( 6),,, (4) ( 1), 011 015 mm,,, (5) ( 7), 015310 mm,, 214,

1 : 13, ( ),,,, 0115 mm ( 8),, ( 2), 215,,, 3, (1) 1 Table 1Fracture term s and character istics of La te Carbon iferous phyllo id a lga l reefs in southern Gu izhou 3),, 78(,,,, ( 4),,,, ( 5),,,,, Fe 3 +, 216,,, ( 6),, 78,,, 217,, 3:,,,,,,, 3 311 :, ( ) ;,,,, 0134 mm,, ( ) ; ;,

14 28 ; ;, Fe 3 + 312,, 4 [ 8 ] (2) (1), (2),,,,,,,,, (3),,,,,,,,, 2 Table 2Plot results of d iagenetic stages of phyllo id a lga l reefs (4) 3,, [ 14216 ],,,,,,, (3), 411, Fe 3 + 4 [ 13 ],

1 : 15 3 Table 3D iagenetic env ironm en t of phyllo id a lga l reefs,,, Mn 2 +,, Fe 2 +,, Mn I: : I,,, ;, Mn 2 +, Fe 2 +, ( 7), Mn 2 +, Fe 2 + 412, [ 9 ] :,,,, :, ( 2), Mn 413, : :, ( I), ( ), [ 8 ] I,,, :,,,,,,,,,, Mn 2 +, Fe 2 + 5,,,,

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,, : L I J M, GO NG E P, SUN B L, et a l. : D iagenesis of La te Carbon iferous phyllo id a lga l reefs in South Gu izhou Pla te

,, : L I J M, GO NG E P, SUN B L, et a l. : D iagenesis of La te Carbon iferous phyllo id a lga l reefs in South Gu izhou Pla te