VU J
TWO METHODS OF DETAILED GEOMORPHOLOGICAL MAPPING
Method of the detailed geomorpho
logical map of France
Sj
Method of the Unified Key to the
detailed geomorphological map
of the world
SCALE 1:25000 0 _J 2km
contourline interval 2.5metres
LTvond
surveyed by J.K.W. Niemeyer
LITHOLOGY
chalk, Upper Senonian somewhat resistant
PERIGLACIAL FORMS AND FORMATIONS
loess cover
ACCUMULATION FORMSAND FORMATIONS
colluvial loess
gravel
Valleys with flat bottom
- edges of terraces, slope 45°—20°
yy- edges of terracesslope 20°—5°
T»f edges of terraces, slope <5°
FORMATIONS DUETO WET TROPICAL CONDITIONS
dissected peneplain
loess cover,on slopes formed under periglacial conditions
SS solifluction
vu
FORMS DUE TO HUMAN INFLUENCE
hollowway
Valley forms
V -shaped
rounded
flat
cartography: geografisch instituut, Utrecht printing: it.c., enschede
SHADES OFCOLOURS INDICATING BOTH SLOPE
CATEGORIES ANDGENETICTYPES OF SLOPES
0-2°
2-5°
5-19°
slopes resulting from destruction by nival,cryogenic
and thermokarst denudational processes
slopes on eolian Sediments
slopes resulting from deposition by denudational,
fluvial and fluvio-denudational processes
Q3 Würm glacial
Q4 Holocene
B FLUVIAL LANDFORMS
I DESTRUCTIONAL LANDFORMS
scarps of river terraces cut in alluvia and colluvia
II CONSTRUCTIONAL LANDFORMS
river-built plains consisting of colluvial loess
H LANDFORMS DUETO NIVATION AND FROST ACTION
I DESTRUCTIONAL LANDFORMS
0 dells
K AEOLIAN LANDFORMS
II DEPOSITIONAL LANDFORMS
1 1 1 1 il loess-cover mantling older relief (1—3 m.thick)
N MAN-MADE LANDFORMS
hollow way
k.n.a.g., geografisch tijdschrift VIII(1974), no5
surveyed by R. P.GAVoslcuil