Classification of Glacial Deposits. — Woodworth. 
85 
Classification of Glacial Deposits. 
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Superglacial 
Englacial: 
Lateral, medial, marginal moraines 
of cliff-debris. 
Ablation deposits, wind deposits. 
Rock-tables. 
Subglacial 
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Ice-bound: 
{in contact with t/ie 
ice edge or support 
'ed by it). 
Ice-free: 
{beyond and below 
the ice edge or base). 
Dirt-bands, crevasse drift; froi 
various sources. 
Ground moraine, till plains, boul- 
der-trains. 
Submarginal moraines, drumlins, 
crag-tails. 
Dislocated terranes. (e. g. Riigen). 
Frontal, terminal; dump, push 
moraines, lobate or interlobate. 
Boulder-belts. 
Berg-till; erratic blocks and de- 
posits of glacial origin, ice-raft- 
ed and dropped on the bottom 
of lakes and seas. 
Superglacial: 
F.nglacial: 
Subglacial: 
{under the ice o> 
on the ground). 
Ice-bound: 
in contact with 
the ice edge or sup- 
ported by it). 
Some kames and possibly certain 
eskers belong here. 
Some kames and possibly certain 
eskers belong here. 
Many eskers conceded to belong 
here. Paha. 
Kames, in part. 
W 
Ice-free: 
{beyond and below 
the ice edge or base). 
Glacial sand-plains, outwash plains, 
csker-fans; some kame, or pit- 
ted-plains. 
Laterel terraces, lateral moraine 
terraces, kame-terraces. 
Valley-trains and plains of sand 
and gravel deposited beyond 
the ice-sheet or glacier and be- 
low the level of its base. Ri\- 
er terraces; silt-plains; clays, 
fluvial, lacustrine, marine. Lake 
beaches. 
