Abbreviations for the areas:
FS: Northern Frankonian Benchland
FB: Frankonian block-faulted area
FW: Frankonian Forest
FG: Fichtel Mountains
OW: Northern Oberpfalz Forest
1 Total lengths of the caves
area unknown < 5 m 5 to 9 m 10 to 49 m 50 to 99 m > 100 m sum FS 1 1 0 0 0 0 2 FB 0 2 40 32 2 1 77 FW 0 0 11 7 0 1 19 FG 4 0 41 28 6 0 79 OW 0 0 0 0 0 0 0 sum 5 3 92 67 8 2 177
rock-type FS FB FW FG OW sum limestone, marble 0 1 7 7 0 15 sandstone 2 76 0 0 0 78 granite - - - 72 0 72 gneiss - - 1 0 0 1 breccia, conglomerate 0 0 8 0 0 8 diabase - - 2 0 0 2 unknown 0 0 1 0 0 1
formation FS FB FW FG OW sum triassic sandstone (Keuper) 2 76 - - - 78 triassic limestone (Muschelkalk) 0 1 - - - 1 upper carbonif. - - 0 72 0 72 lower carbonif. - - 7 0 0 7 upper devonian - - 10 0 0 10 ordovician - - 1 0 0 1 cambrian - - 0 5 0 5 proterozoic - - 0 2 0 2 unknown 0 0 1 0 0 1
FS FB FW FG OW sum
karst 0 2 9 7 0 18
physical erosion 0 23 3 0 0 26
tectonic and rift caves 0 13 5 2 0 20
slope rift caves 0 3 0 0 0 3
weathering 1 9 0 1 0 11
boulder caves (in broad sense) 0 14 0 64 0 78
different genetic conditions 0 3 0 0 0 3
others 0 0 0 1 0 1
unknown 1 10 2 4 0 17
FS FB FW FG OW sum
caves 1 51 17 77 0 146
cave ruins 0 8 1 0 0 9
rock shelters 1 16 1 2 0 20
natural bridges 0 2 0 0 0 2
FS FB FW FG OW sum
flowing water (incl. stagnant water) 0 26 1 1 0 28
stagnant water (no flowing water) 1 7 2 2 0 12
without water 1 44 16 76 0 137
FS FB FW FG OW sum
survey 100 100 100 95 - 98
map 100 79 95 80 - 81
description 100 96 58 66 - 79
photos 50 69 79 44 - 59
other documentations 50 29 16 0 - 15
FS FB FW FG OW sum
mines, minery adits 0 4 33 24 2 63
cellar caves 35 103 13 23 0 174
wells 0 8 16 0 0 24
others 0 1 3 0 0 4
unknown 0 2 1 0 0 3
sum 35 118 66 47 2 268
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