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 1 37 31 2 1 72 FW 0 0 10 7 0 1 18 FG 0 0 33 27 6 0 66 OW 0 0 0 0 0 0 0 sum 1 2 80 65 8 2 158
rock-type FS FB FW FG OW sum limestone, marble 0 1 7 7 0 15 sandstone 2 71 0 0 0 73 granite - - - 59 0 59 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 71 - - - 73 triassic limestone (Muschelkalk) 0 1 - - - 1 upper carbonif. - - 0 59 0 59 lower carbonif. - - 7 0 0 7 upper devonian - - 10 0 0 10 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 17 3 0 0 20
tectonic and rift caves 0 13 4 2 0 19
slope rift caves 0 3 0 0 0 3
weathering 1 8 0 1 0 10
boulder caves (in broad sense) 0 14 0 51 0 65
different genetic conditions 0 3 0 0 0 3
others 0 0 0 1 0 1
unknown 1 12 2 4 0 19
FS FB FW FG OW sum
caves 1 50 16 64 0 131
cave ruins 0 8 1 0 0 9
rock shelters 1 12 1 2 0 16
natural bridges 0 2 0 0 0 2
FS FB FW FG OW sum
flowing water (incl. stagnant water) 0 22 1 0 0 23
stagnant water (no flowing water) 1 5 2 1 0 9
without water 1 45 15 65 0 126
FS FB FW FG OW sum
survey 100 100 94 100 - 99
map 100 85 89 88 - 87
description 100 76 61 59 - 68
photos 50 51 83 48 - 54
other documentations 50 15 17 0 - 9
FS FB FW FG OW sum
mines, minery adits 0 4 31 22 2 59
cellar caves 35 97 12 2 0 146
wells 0 6 3 0 0 9
others 0 1 2 0 0 3
unknown 0 2 1 0 0 3
sum 35 110 49 24 2 220
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