Horváth M. Ferenc (szerk.): Vác The heart of the Danube Bend. A historical guide for residents and globetrotters (Vác, 2009)
Tartalom
NASZÁLY HILL Although it is situated on the left bank of the Danube, and it is considered to be part of the Cserhát Mountains, Naszály belongs to the Transdanubian Medium Mountains from both a geological and a botanical point of view. The limestone-block of Naszály is separated from the Transdanubian Medium Mountains by the Danube, just like the Visegrád Mountain is separated from the volcanic block of the Northern Medium Mountains. The 652 metres high solitary hill rises about half a km above Sinkhole Naszály Hill the Danube and the surrounding countryside. Its main natural resources are the caves and sinkholes formed by the intensive karst effects, as well as the rich wildlife, which is due to the intersection of several different types of areas. THE GEOLOGY OF NASZÁLY Naszály and the other sedimentary hills near Csővár and Romhány are the highest hills in the block of mountains on the left bank of the Danube. Its most important component is the Map of Naszály Hill, still intact in 1812 The only spring of Naszály, Bik Well Dachstein limestone, but the dolomite and the Hárshegy sandstone are also influential. At the foot of the hill loess, clay, sand and marl are typical. Due to the quality and quantity of these materials, there is a significant building industry in the region. Limestone can develop in several ways. The 220 m thick layer of the Dachstein limestone was formed in the Triassic period, about 200 million years ago, from the sediment of the salty tropical sea. Water Limestone of Dachstein
