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- 74 - associated with a patterned ground of nonsorted circles, stone nets and hummocks . They have developed on fine-textured glacial till (profiles ZT16 and ZT29), lacustrine sediments and colluvial materials (profile ZT8) . Profile ZT8A Cryic Orthic Dystric Brunisol* (Figure 11, Appendix I : Table 20 & Plate 8B) L-F- 6 to 0 cm, very dark grayish brown (l0YR 3/2, moist), litter of leaves, twigs of dwarf shrubs and lichens ; extremely acid ; abrupt, wavy boundary . Bmy- 0 to 13 cm, yellowish brown (l0YR 5/4, moist), loam ; slightly cryoturbed ; smears and intrusions of parent material (C) ; slightly sticky, slightly plastic ; friable when moist, hard when dry ; extremely acid ; clear, wavy boundary . Cy- 13 to 50 cm, gray (l0YR 5/1, moist), loam ; cryoturbed ; intrusions of B material ; slightly sticky, slightly plastic ; friable when moist, hard when dry ; extremely acid . Profile ZT29 Cryic Orthic Dystric Brunisol* (Figure 12, Appendix I : Table 21 & Plate 9B) Bm- 0 to 25 cm, dark gray (l0YR 4/1, moist), silty clay ; fine granular to shotty ; sticky and plastic ; firm when moist, hard when dry ; extremely acid ; fine roots ; clear, wavy boundary . Cy- 25 to 103 cm, gray (l0YR 5/1, moist), silty clay ; amorphous ; cryoturbed ; organic smears ; very sticky, very plastic ; firm when moist, hard when dry ; extremely acid ; abrupt, smooth boundary . Cz- 103+ cm, gray (l0YR 5/1, moist), frozen silty clay ; vein ice, ice content approximately 40 percent ; very sticky, very plastic ; firm when moist, hard when dry . * influenced by cryoturbation .
- 75 - Profile ZT16 Cryic Orthic Dystric Brunisol* (Figure 12, Appendix I : Table 22 & Plate 9A) L-H- 1 to 0 cm, very dark brown (l0YR 2/2, moist), litter of leaves, twigs of dwarf shrubs and lichens ; abrupt, wavy boundary . Bm- 0 to 32 cm, grayish brown (l0YR 5/2, moist), silty clay ; medium granular to shotty ; sticky and plastic ; firm when moist, hard when dry ; extremely acid ; great amounts of fine roots ; clear, wavy boundary . BCy- 32 to 64 cm, dark gray (l0YR 4/1, moist), silty clay ; medium subangular blocky to amorphous ; extremely cryoturbed ; intrusion of organic materials (L-H), organic smears and stains, small intrusions of parent material (C) ; sticky and plastic ; firm when moist, hard when dry ; extremely acid ; abrupt, smooth boundary . Ayhz- 64 to 78 cm, very dark gray (l0YR 3/1, moist), frozen silty clay loam ; amorphous ; extremely cryoturbed ; veins of organic material and organics mixed with mineral material ; vein ice and ice crystals, ice content approximately 40 percent ; sticky and plastic ; firm when moist, hard when dry ; extremely acid ; abrupt, smooth boundary . Cz- 78 to 300 cm, dark gray (2 .5Y 4/0, moist), frozen silty clay loam ; amorphous ; vein ice and buried ice wedges, ice content approximately 50-70 percent ; sticky and plastic ; firm when moist, hard when dry ; extremely acid . Profile ZT8B Cryic Orthic Dystric Brunisol* (Figure 11, Appendix I : Table 20 & Plate 8B) Bm- 0 to 20 cm, brown (l0YR 5/.3, moist), silt loam ; cryoturbed ; intrusions of parent material ; slightly sticky, slightly plastic ; friable when moist, hard when dry ; extremely acid ; clear, wavy boundary . BCy- 20 to 39 cm, gray (l0YR 5/1, moist), silt loam ; extremely cryoturbed ; mixed B and C materials, intrusions of parent material ; slightly sticky, slightly plastic ; friable when moist, hard when dry ; clear, wavy boundary . Bmy- 39 to 50 cm, yellowish brown (l0YR 5/4, moist), loam ; moderately cryoturbed ; intrusions of parent material ; slightly sticky, slightly plastic ; friable when moist, hard when dry ; very strongly acid ; clear, wavy boundary . C- 50 to 80 cm, gray (l0YR 6/1, moist), loam ; slightly sticky, slightly plastic ; friable when moist, hard when dry ; extremely acid . * Influenced by cryoturbation .
Page 2 and 3:
SOILS OF THE MACKENZIE RIVER AREA b
Page 4 and 5:
TABLE OF CONTENTS 1 . SUMMARY . . .
Page 6 and 7:
TABLES Table 1 Page Mean monthly te
Page 8 and 9:
Page Plate 6 A . Non-sorted stripes
Page 10 and 11:
1 . SUMMARY Soils were examined in
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soils . Soils were classified accor
Page 14 and 15:
4 . STUDY AREA 4 .1 . Location The
Page 16 and 17:
Be aufort 70 135- Sea 65 - 135- -ST
Page 18 and 19:
- 10 - (Brown, 1965) having an insi
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6 . CLIMATICALLY SIGNIFICANT ECOLOG
Page 23 and 24:
Except under shallow lakes and pond
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soils are found on all poorly drain
Page 27 and 28:
Table 3 Summary of Description of Z
Page 29 and 30:
7 . DISTRIBUTION OF SOILS The distr
Page 31 and 32: 1 Table 4 (cont'd) Map Symbol+ Name
Page 33 and 34: I Table 4 (cont'd) Map Name Parent
Page 35 and 36: - 27 - 8 . DESCRIPTION OF SOILS 8 .
Page 37 and 38: - 29 - C . Fen Peat This type of pe
Page 39 and 40: - 31 - Table 5 . Rate of Accumulati
Page 41 and 42: - 3 3 - tiers (see The System of So
Page 43 and 44: - 3 5 - Profile T5A Cryic Mesisol (
Page 45 and 46: - 37 - PATTERNED FEN Landform ô N
Page 47 and 48: _3g_ Plate 2 A . Peat polygons, sit
Page 49 and 50: A . Vegetation on a peat polygon, s
Page 51 and 52: - 4 3 - content, especially the Ca
Page 53 and 54: - 4 5 - Ice Content % On A Volume B
Page 55 and 56: - 4 7 - crystals and thin vein ice
Page 57 and 58: - 4 9 - Collapse Scar I Peat Platea
Page 59 and 60: Vegetation : Soil Landform= Black S
Page 61 and 62: -53- the other hand, the peat occur
Page 63 and 64: 40 A . Core sample of perennially f
Page 65 and 66: - 57- ice lenses and vein ice up to
Page 67 and 68: - 59- Bt- 10 to 23 cm, dark yellowi
Page 69 and 70: moderately sloping topography ; on
Page 71 and 72: - 6 3 - plains, glacio-fluvial plai
Page 73 and 74: - 6 5 - Profile R 166 Cryic Orthic
Page 75 and 76: cm 100r Vegetation : Lichen -Voccin
Page 77 and 78: - 69- Alpine Eutric Brunisol These
Page 79 and 80: Vegetation Ericaceous - Lichen - Mo
Page 81: - 7 3 - expressed (Ae) eluvial hori
Page 85 and 86: Vegetation Lichen - Voccinium - Car
Page 87 and 88: _ 79 _ Plate 9 A . Cryoturbed Cryic
Page 89 and 90: Topography : Brunisols developed on
Page 91 and 92: - 83 - C . rangiferina), feather mo
Page 93 and 94: - 85- air voids due to frost action
Page 95 and 96: . -87- Profile B70B Lithic Orthic R
Page 97 and 98: - 89- Rego Gleysol These soils have
Page 99 and 100: _ 91 _ 8 .2 .2 . Ice Content of Min
Page 101 and 102: - 9 3 - Another site was sampled on
Page 103 and 104: -95- The chemical composition of th
Page 105 and 106: - 9 7 - physical and chemical chara
Page 107 and 108: - 9 9 - 10 . IMPLICATIONS AND RECOM
Page 109 and 110: c . Very little information is avai
Page 111 and 112: - 103 - 11 . REFERENCES 1 . Atkinso
Page 113 and 114: - 105 - 24 . Pounder, E .R . 1965 .
Page 115 and 116: Appendix I : Table 1 . Analysis of
Page 117 and 118: Appendix I " Table 3 . Analysis of
Page 119 and 120: I r N Appendix I : Table 5 . Analys
Page 121 and 122: Appendix I " Table 7 . Analysis of
Page 125 and 126: Appendix I : Table It . Analysis of
Page 133 and 134:
Appendix I : Table 19 . Analysis of
Page 135 and 136:
Appendix I : Table 21, Analysis of
Page 137 and 138:
Page 139 and 140:
Page 141 and 142:
Appendix II . Analysis of Water Sam
Page 143:
- 136 - Appendix III . (con't .) Si
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