山东沂源下寒武统馒头组含水层水文地质特征

HYDROGEOLOGICAL CHARACTERISTICS OF KARST WATER-BEARING LAYERS IN MANTOU FORMATION OF LOWER CAMBRIAN IN YIYUAN COUNTY OF SHANDONG PROVINCE

山东省沂源县馒头组岩溶含水层具有补给面积大，补给源充足、富水性强、水质好、埋藏浅，泉水多、易开发利用等特点，是当地具有重要供水意义的含水层。

Karst water-bearing layers in Mantou formation of lower Cambrian in Yiyuan county possesses specials, such as, large recharge areas, sufficient recharge source, high water keeping, good water quality,shallower buried,a lot spring water and easy to develop. It is an important water-bearing layer to supply the locality.