podzol profile under heathland
001

profile near nipigon
002

profile at dorset, ontario in water-laid sand
003

profile of eluviated eutric brunisol (can) in silty fine sand near key river, georgian bay
004

profile off highway #71, north of fort frances
005

orthic humic gleysol in central ontario
006

deep peat (sphagnum) in leitch township
007

general view of a lithosol near lake traverse in algonquin park
008

plow layer at st. williams nursery
009

gray-brown podzolic with plow layer; an old field soil that has been planted to red pine at york regional forest
010

close-up of forest soil at dorset in sandy loam
011

litter from red pine plantation after 45 years
012

profile in water-laid sand
013

poplar litter showing flat 'shingle' type surface
014

intense ae and bh developed in old heathland now planted with spruce
015

podzol profile in deep sand near manitouwadge
016

hexagonal cracking in clay at caledon
017

windblown sand showing the 'mare’s tail' structure
018

buried profile near bancroft as a result of a flood
019

alluvial/colluvial near kananaskis on mountain slope under lodgepole pine
020

acid brown forest at dorset; although over bedrock the soil acts as a deep soil with telluric water and is very productive
021

litter of maple in spring
022

f layer in forest floor
023

lower part of forest floor - some h, but mixed to give an aeh
024

b horizon of profile
025

general view of profile at plonski forest adjacent to nursery
026

general view of profile under 70 year jack pine
027

typical black prairie soil near irricana
028

photo of a black solodized solonetz by soil survey in alberta
029

sol brun acide in eocene sandstone near alsea, oregon
030

sol brun acide developed in what is described as a yellow-brown laterite
031

sol brun acide near alsea
032

windthrow mound in great lakes-st. lawrence forest at dorset
033

windthrow
034

windthrow
035

profile under the fallen trunk of the windthrown pine
036

digging out a soil pit by hand
037

digging the soil pit
038

nitrogen-fixing nodules on alnus
039

cluster of nodules on alnus
040

nodules on black locust
041

cross-section of black locust nodule
042

cross-section of black locust nodule
043

profile under 300+ year douglas fir and red cedar
044

brown forest with ah under 36 year red cedar
045

thin regosol under grass and open stands of ponderosa pine
046

general view of solonetzic brown soil
047

closeup of the ah horizon in the solonetz
048

lodgepole pine forest on cobbly pumice soil
049

profile of cobbly pumice soil showing minimal development
050

closeup of ah horizon in cobbly pumice soil
051

profile to show discontinuity, i.e.c/d horizons of water-laid sand over gravel
052

sol brun acide, alsea, oregon
053

solifluction near alsea, oregon
054

brown podzolic near dorset
055

mycorrhizal roots of white pine
056

gray-brown podzolic under maple forest
057

profile of a gray-brown podzolic in a calcareous till
058

surface view of mull (ah) in late summer
059

photo of earthworm in mull
060

profile in water laid sands at dorset under conifer
061

photo of f layer showing fungal mycelia
062

photo of forest floor
063

photo of ae in profile
064

photo of bf horizon in profile
065

photo of c horizon (water laid)
066

photo at vivian of residual old white pine stump on deep sands
067

profile in silt loam at kirkwood
068

close-up(x20) of ae
069

close-up of bf
070

profile in central washington
071

boundary between two ages of pumice deposit in oregon from mount mazama
072

profile in coarse loamy sand
073

upper profile in coarse loamy sand (pumice) at antelope tree farm
074

well-developed bh under balsam fir in central quebec
075

cumulative texture curves
076

cumulative texture curve
077

root system of red pine in calcareous waterlaid sand at vivian
078

b horizon developed around successive root channels
079

regosol under sage brush in central oregon
080

orthic alpine brown soil
081

podzol developed in brown wooded
082

grumic dark brown
083

calcareous brown soil under grass
084

gray-brown podzolic in till
085

gray-brown podzolic in clay
086

gray-brown podzolic in sandy loam
087

profile of an orthic gleysol
088

profile of an acid brown wooded
089

carbonated rego-humic gleysol
090

humic podzol
091

orthic podzol in sandy loam
092

podzol developing in upper horizon of acid brown wooded
093

orthic gray wooded in sandy loam
095

orthic alpine brown
096

orthic gleysol
097

gleyed orthic alpine brown
098

cutanic modification in microstructure
099

many water-laid depositions
100

cryic orthic brown wooded
101

bisequum of a podzol
102

bisequum of a podzol
103

black solonetz
104

bisequum of podzol
105

humic eluviated gleysol
106

bisequum of a well-developed podzol
107

orthic acid brown wooded
108

concretionary brown soil
109

gleyed podzol, lac ste. jean
110

orthic brown forest
111

ortstein i.e. iron pan in a podzol due to impeded drainage
112

concretionary brown i.e. `shot' soil under conifers
113

humic podzol showing intense colouration of bh
114

gleyed alpine brown
115

soil pit near diraja
116

termite mound in kenya
117

vegetation on solodized sites near galole
118

bisequum in a calcareous material
119

plinthic paleudult showing rooting of loblolly pine
121

arenic paleudult
122

arenic paleudult under loblolly pine
123

typic hapludult
124

typic hapludult
125

view of ah in hernden silt loam in duke forest
126

typic hapludult under oak, hickory & tulip in duke forest
127

quartzic psamment in the sandhills
128

stump of loblolly pine hollowed out by termites
129

profile of a quartzic psamment in sandhills
130

typic hapludult
131

poor drainage in a typic hapludult
132

frost polygons in central newfoundland
133

poorly developed podzol in ablation till
134

very shallow over granite gneiss bedrock
135

note intensity of rooting in this very shallow over granite gneiss bedrock
136

evidence of perturbation due to windthrow after fire
137

closeup to show quartz and feldspar particles from the ae of podzol profile in the kirkwood forest
138

roots of young poderosa pine in pumice soil
139

grey-brown podzolic in a clay loam under maple, beech, ash at the dunlap observatory
140

clay illuviation in bt of a grey-brown podzolic near maple
141

clay illuvation in bt of grey-brown podzolic near maple
142

gleying in the lower part of a grey-brown podzolic
143

surface after an august fire in a jack pine cutover
144

surface after an august fire in a jack pine cutover
145

forest floor under maple after a spring (april) prescribed burn
146

plinthic paleudult
147

closeup of the paleogley in the plinthic paleudult
148

buried podzol under peat
149

closeup of buried profile under peat
150

bisequum in sandy loam at glen williams
151

tongues of bf horizon excavated at bone pit site
152

podzol developed in stony till
153

acid brown soil at dorset
154

aerial view of a rural area in hawkins county, tennessee
155

area in hawkins co., tennessee, which has been typed for soil survey
156

map of the soil associations of ontario
157

closeup of slide # 157 to show soils in toronto region
158

closeup of the simcoe county area to show soil variation
159

bedded alluvial deposits overlain by clay
160

ii year ut 世界杯2022赛程表淘汰赛 examining soil profile in interlobate sands
161

general view of forest floor under maple at dunlap observatory
162

microtus hole in the ah of the profile at the dunlap observatory
163

profile of soil in sandy loam at glen williams
164

closeup of iron lines and deposition of organic matter in an old root/worm channel
165

current plow layer in sands over gravel at glen williams bone pit site
166

view of windblown sand structure at the glen williams site
167

windblown deposits at glen williams to show both current upper plow layer and a buried plow layer
168

bt horizon of gravelly clay in glen williams profile
169

surface of ah (mull) before fall's leaf litter
170

looking north from bayview ave & hwy #7
171

gleyed grey-brown podzolic
172

upper part of profile in gleyed g-b podzolic
173

joint planes in clay of ae horizon g-b podzolic
174

thin section of calcareous sandstone in the c horizon
175

thin section of weathered shale
176

thin section in ae to show cleaved biotite
177

thin section in ae to show sesquioxide nodule
178

thin section showing striated neo cutans in bt
179

thin section x200; meta vugh orientated neo cutan
180

thin section showing exfoliated cutan and quartz grain intruded by clay
181

thin section in c horizon to show calcareous matrix
182

thin section to show orientated neo cutans
183

profile of mod.w.drained g-b podzolic
184

mottles (gley) in btjg
185

thin section of ae
186

low power mounting of grains showing red garnet, violet garnet & amphibolite
187

thin section of ah in slide showing root channel
188

thin section of ah
189

weathering of biotite in an organic matrix
190

thin section in ae, showing clay matrix cutting across a piece of hornblende
191

thin section of a sesquioxidic nodule in ae
192

thin section in ae showing minerals such as quartz and feldspars
193

thin section of ae showing ferroargillaceous nodule
194

thin section of bc
195

thin section showing secondary carbonate deposition
196

thin section in the aej showing plasmic fabric
197

thin section showing neo-cutan in a channel
198

thin section same as #198, but with different light
199

thin section showing calcareous nodule in a ferro-argillaceous matrix
200