Superficial Geology

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sequence; the upper, mainly in silty clay, extending some 8 down from the top of the formation (Plate 44), and the lower, mainly in sand, extending through some 7 m in the lower part of the sequence. These two weathered zones are separated by 3.6 m of sediments, mainly of laminated, dark grey silty clay. The distribution of the mottling in this borehole shows that the Chek Lap ' Kok Formation was there subjected to weathering in at least two separate episodes, during and after its accumulation, but before the accumulation of the overlying marine deposits of the Hang Hau Formation. Plate 61 - Tor of Medium-grained Granite at To Kwa Wan, Kowloon (3785 1950) 117
MINERAL PROSPECTS AND MINOR WORKINGS QUARRIES Figure 31 - Mineral Localities and Quarries within the District 118
Page 2 and 3:
5 andKowloon Geoloovof 1:20 000 She
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Foreword This Memoir describes the
Page 7 and 8:
Page Chapter 6 Structure 75 Folds 7
Page 9 and 10:
Page List of Plates Plate 1 - Coars
Page 11 and 12:
Plate 48 Plate 49 Plate 50 Plate 51
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Table 1 - Grain Size Description an
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TATE'S CAIRN • HO CHUNC 0 1 2 3 4
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The Present Survey Geological field
Page 19 and 20:
Table 2 - Solid Rocks and Superfici
Page 21 and 22:
Pumice, glass- Crystals, crystal fr
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(2) Western Hong Kong Island (4) Fe
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T-HT+T + T+T+T VT+-TV*V' YUNG SHUE
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Plate 3 - Thin Section of Lapilli-b
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Plate 7 - Coarse Ash Tuff in Tai Mo
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Details Tate's Cairn to Fei Ngo Sha
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Siu Chai Wan to Big Wave Bay. New e
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South of Rennie's Mill (4410 1760),
Page 37 and 38:
Victoria Peak to Aberdeen, Mount Ca
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An extensive outcrop of Tai Mo Shan
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The field criteria used by Allen &
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dark biotite-rich groundmass. Bioti
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On Stonecutters Island the rock is
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Plate 17 - Coarse-grained Granite (
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Plate 21 - Fine- to Medium-grained
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«, , , y 25 - Megacrystic Medium-g
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with the older coarse-grained grani
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semi-liquid state. Near the contact
Page 57 and 58:
along Tai Hang Road near its juncti
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1 HK4040, 2. HK4221, 3. HK4222, 4.
Page 61 and 62:
follows the observed emplacement se
Page 63 and 64:
The geochronology of the granites h
Page 65 and 66:
Abundant Feldspar / Sparsely Figure
Page 67 and 68: Plate 30 - Quartz Syenite (HK 4019)
Page 69 and 70: Plate 34 - Thin Section of Quartzph
Page 71 and 72: in diameter. Biotite is present as
Page 73 and 74: Basalt dykes have also been noted i
Page 75 and 76: m J^TV ; Plate 39 - Pegmatite Nest
Page 77 and 78: Anticline axis Synclme axis Fault,
Page 79 and 80: Figure 17 - Circular Histograms of
Page 81 and 82: 11 NE n = 109 11 SW 11 SE n = 165 1
Page 83 and 84: East Hong Kong Island (USE). A prom
Page 85 and 86: quartz crystals in a preferred orie
Page 87 and 88: Plate 42 - Thin Section of Medium G
Page 89 and 90: gm JTM JAC VI VI ; ; II n Plate 45
Page 91 and 92: Chapter 8 Superficial Geology The s
Page 93 and 94: Clear Water Bay Road and Ho Chung.
Page 95 and 96: of Lai (1982) the Mid-levels colluv
Page 97 and 98: containing subrounded cobbles and b
Page 99 and 100: Fill The coastline and topography o
Page 101 and 102: Methods of Survey The offshore depo
Page 103 and 104: SAND/GRAVEL + Junk Bay JBS1/1A n Kw
Page 105 and 106: CHEUNG SHA WAN Figure 28 - Generali
Page 107 and 108: Particle size distribution analyses
Page 109 and 110: Plate 51 - Seismic Trace of Superfi
Page 111 and 112: Plate 53 - Seismic Trace of Superfi
Page 113 and 114: fault zone SHEET ( weatherin § JOI
Page 115 and 116: Plate 57 - Cut Slope in Medium-grai
Page 117: Plate 60 - Cut Slope in Completely
Page 121 and 122: altered. There is little quartz pre
Page 123 and 124: Cobbing, E. J., Mallick, D. I. J.,
Page 125 and 126: Watt, J. C. Y. (1970). A Han Tomb a
Page 127 and 128: Borehole Grid Ref. Surface level Su
Page 129 and 130: Borehole Grid Ref. Surface level Su
Page 131 and 132: Cho Yiu Chuen 41 Cho Yiu Estate 54
Page 133 and 134: Mount Butler Drive 55 Mount Butler
Page 135 and 136: Tate'sPass'30 Tau Chau 34 Telegraph
Page 137: LB 555.125 S89 Strange, P. J. Geolo
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Superficial Geology

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