E;*+ - Geological Curators
E;*+ - Geological Curators
E;*+ - Geological Curators
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Model No.<br />
Equivalent Model No.<br />
in 1841 Set Description<br />
1 Horizontal valley of denudation in horizontal<br />
strata.<br />
Horizontal hill of denudation in horizontal<br />
strata.<br />
Inclined valley of denudation in horizontal<br />
strata.<br />
Inclined hill of denudation in horizontal strata.<br />
Coal strata near Newcastle-on-Tyne<br />
Modelled topography in horizontal strata.<br />
Dislocation of strata in Carboniferous rocks.<br />
Erosion surface, with parallel contours, in<br />
horizontal strata.<br />
Repeated normal fault offset of horizontal<br />
strata; plane surface topography.<br />
Repeated normal fault offset of nearly<br />
horizontal strata; with full topographic<br />
expression.<br />
Crossing normal faults in horizontal strata,<br />
with surface expression of one horizontal<br />
coal seam.<br />
Repeated n oml fault offset, with trough<br />
faulting, in horizontal strata, with full<br />
topographic expression.<br />
Crossing normal faults in horizontal strata,<br />
with full topographic expression.<br />
Valley in horizontal strata (topography more<br />
pronounced than in Model Ia).<br />
Vertical intersection of mineral veins; plane<br />
surface topography.<br />
Denudation of mineral veins; full topographic<br />
expression.<br />
Vertical strata crossing a valley; full<br />
topographic expression.<br />
Strata inclined upstream in a valley; denuded<br />
basset of inclined strata.<br />
Strata inclined downstream steeper than valley<br />
slope; undercutting of strata.<br />
16 Inclined strata in plane surface topography.<br />
17 Vertical strata in plane suiface topography.<br />
Table 3 Comparison of the models shown on the working drawings with the<br />
twelve models published in 1841.