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EN
This article presents the achievements of the employees of the Holy Cross Mts. Branch of the Polish Geological Institute in the field of applied geology: geological cartography, geology of natural resources and hydrogeology. The area of the Holy Cross Mts. is located in central Poland and for hundreds of years was the main source of metal ores and rock raw materials for the Polish state. Investigating the possibility of using these minerals and raw materials in the modern economy was the reason for establishing the Polish Geological Institute in Kielce. Shortly before World War II, a department of the Institute was established in Kielce for a detailed geological study of this interesting area, where the full profile of the Phanerozoic deposits is present, from the oldest Cambrian to Quaternary. The basic work performed by geologists in Kielce was the preparation of geological maps. During the 80 years of the Institute's activity in Kielce, geological maps on various scales were made, ranging from 1:300,000 to 1:50,000. Currently, detailed mapping at the 1:50,000 and 1: 25,000 scales are being prepared. The search for deposits of iron, copper and other metals, conducted by the Kielce Institute, did not lead unfortunately to discovery of economically useful deposits. On the other hand, large deposits of rock building materials have been identified and documented and are currently exploited mainly for road construction. The region of the Holy Cross Mountains and their vicinity is unique in comparison to other regions of Poland because the entire population and economy are supplied with water from underground sources. Taking care of resources and adequate water quality is the main goal of the hydrogeologists employed at the Holy Cross department of the Polish Geological Institute. They organized and supervise a network that controls the water level and its quality, the impact of quarry activities on the groundwater levels, and prepare various types of hydrogeological maps.
EN
During 1919-1939 the most important role in the geological research on the Polish territory was played by the Polish Geological Institute. Despite many difficulties resulting from the lack of adequate financing, the PIG employees have achieved many successes regarding the discovery of new useful mineral deposits, as well as a better understanding of the geological structure of the country. The PIG skillfully combined the practical and scientific aspects of geological research during the interwar period.
3
Content available remote South Africa : a geotouristic gourmet piece
EN
The aim of this paper is to introduce the reader to some of the most outstanding and typical geological features and sites, as well as drawing attention to the countries mining history, an often-overlooked aspect of South Africa's natural heritage. The fieldtrip led by Prof. Bernd Lehmann from TU-Clausthal offered a variety of gourmet pieces in economic geology/petrology and tourism, i. e. Witwatersrand Basin (largest gold province on Earth), Vredefort Dome (largest and oldest impact structure on Earth), Kimberley, the giant Sishen iron ore mine, Cullinan diamond mine (renowned for giant gems), Bushveld Complex/platinum mines (largest layered mafic intrusion), Phalaborwa copper/phosphorus, Kruger National Park and the Barberton greenstone Belt with its famous Archean succession and its old gold camps.
PL
Celem pracy jest wprowadzenie czytelnika w jedne z najbardziej spektakularnych, a zarazem typowych dla Afryki Południowej zjawisk i miejsc geologicznych, jak również zwrócenie uwagi na historię górnictwa tego kraju i jego naturalnego dziedzictwa przyrodniczego. Wycieczka terenowa pod kierunkiem prof. Bernd'a Lehmann'a, umożliwiła zapoznanie się z wyjątkowymi aspektami geologii i petrologii stosowanej oraz turystyki; np. basen Witwatersrand (największa prowincja złotonośna na świecie), Vredeford Dome (największa i najstarsza struktura impaktowa na świecie), Kimberley, olbrzymia kopalnia rud żelaza, kopalnia diamentów Cullinan (odnowionaze względu na unikalnie duże klejnoty), kopalnia platyny Bushveld Complex (największa intruzja warstwowanych skał maficznych), miedziowo/fosforanowy kompleks Phalaborwa, Park Narodowy Krugera i pas zieleńców Barberton ze słynną sukcesją archaiczną i starą osadą poszukiwaczy złota.
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