Abandoned underground mines in Nízký Jeseník Upland (Czechia)

Figures & data

Figure 1. Position and the geological map of the Nízký Jeseník Upland.

General map shows the position of the investigated area in the north-eastern part of Czechia, detailed geological map shows stripes of Carboniferous rocks, which are listed in the stratigraphic chart.

Figure 2. Types of mines detected in the investigated area.

Pine chart shows that 77% of investigated objects were slate mines, 12% were ore mines and 11% were other mines.

Figure 3. Illustrative example of mapping and map processing, the Dřevěná štola slate mine.

Scheme shows the process of slate mine map creation from simple surveying polygon through outline map to detailed map with infills of water, debris or collapsed portions. Two photos show mining room and mining adit filled with debris.

Table 1. Numbers of mines with detected parameters classified according to their length and numerical intensity index.

		small mine			medium mine			large mine
	numerical index (NI)	0	0.5	1	0	0.5	1	0	0.5	1
parameters	H-diversity	68	21	13	3	8	14	-	1	9
	V-diversity	57	36	9	5	8	12	1	1	8
	Fillings	75	22	5	4	15	6	-	8	2
	Collapse	73	22	7	9	14	2	1	9	-
	W-stream	97	5	-	20	5	-	5	5	-
	W-body	69	25	8	12	11	2	1	8	1
	Artificial	93	9	-	22	3	-	6	4	-
	Waste	99	3	-	25	-	-	9	1	-
	Minerals	93	9	-	15	10	-	4	6	-
	Karst	95	7	-	21	4	-	3	6	1

Table 2. Statistical comparison between explained and explanatory variables: (–) not statistically dependent or probable, (0) unproven linkages, (*) weakly conclusive linkages, (**) moderately conclusive linkages, (***) strongly conclusive linkages.

		explanatory variables
		T-mine	L-mine	N-lvl	H-diversity	V-diversity	Fillings	Collapse	W-body	Minerals	Karst
explained variables	T-mine	–	–	–	–	–	–	–	–	–	–
	L-mine	–	–	***	–	–	–	–	–	–	–
	N-lvl	–	–	–	**	–	–	–	–	–	–
	H-diversity	–	***	–	–	–	–	–	–	–	–
	V-diversity	–	***	***	–	–	–	–	–	–	–
	Fillings	–	***	***	***	***	–	–	–	–	–
	Collapse	0	**	**	–	–	***	–	*	0	–
	W-body	0	***	–	–	0	–	*	–	–	***
	Minerals	–	***	–	***	–	*	–	0	–	***
	Karst	–	***	–	–	–	–	*	**	–	–

Data availability statement

The authors confirm that the data supporting the findings of this study are available within the article and its supplementary materials. Maps of the mines are available from the corresponding author, Jan Lenart, [email protected], upon reasonable request.