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NEOLITYCZNE GÓRNICTWO NA JAŃSKIEJ GÓRZE

Contour linc plan of thc northcrn part of thc mining field after exploration. From the south: the cxploitation zonc and its natural surroun-dings in shaft 2; the naturally surfaced sili separating the exploitation zonę of shaft 2 from shaft 1; exploitation zonę of shaft 1 and its natural surroundings in thc form of bed-rock (cast and west branchcs of the rcscarching area) and wcathered formations in thc primary

layer in the depression zonę

1 — finc wcathered rock in loess loam with humus admixture, 2 — fine and medium weathered rock in loess loam in thc primary layer, 3 — finc “mashy” ser pentinite gravcl, 4 — very finc wcathered rock on the primary layer filling thc rock depression and its transition into smali blocks (5) and medium sized blockes, (6) 7 — serpentinite bed-rock with post-cxploitation traccs, 8 — serpentinite bed-rock with a natural surface, 9 — the rangę of exploitation zones. Plan by W.Woj-

ciechowski