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EarthCache

Udoli Padouch / Padouch Valley

A cache by xeri
Hidden : 1/14/2010
In Jihomoravsky kraj, Czech Republic
Difficulty:
2 out of 5
Terrain:
1.5 out of 5

Size: Size: other (other)

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Geocache Description:




[CZ]
Tezba nerostnych surovin v Moravskem krasu
Tezba nerostnych surovin a jejich zpracovani patrily k prvnim vyznamnym aktivitam cloveka na uzemi Moravskeho krasu. Jednalo se zejmena o tezbu zeleznych rud, vapencu a slevarenskych pisku, ktera ovlivnila budovani huti a slevaren. K nahodilemu povrchovemu sberu surovin k vyrobe kamennych nastroju, napr. sber rohovcu z jurskych (druhohornich) pokryvu a ze zvetralin rudickych vrstev, pozdeji pristoupily i sbery povrchovych vyskytu limonitickych zeleznych rud, ktere vznikaly diky specifickym geochemickym podminkam na styku devonskych vapencu a rudickych vrstev. V dobe slovanske doslo ke znacnemu rozvoji zelezarstvi, ktere bylo prokazano archeologickymi nalezy starych huti v okoli Rudice, Olomucan a Habruvky. Jako nerostna surovina zde byla ouzivana zelezna ruda rudickych vrstev nejen z povrchoveho sberu, ale i systematicke tezby v nehlubokych dulnich dilech.


Vapenictvi v Padouchu
Vyznamnou nerostnou surovinou Moravskeho krasu byly a stale jsou vapence. Predstavuji surovinovou zakladnu pro vyrobu vapna, stavebniho kamene a uslechtilou kamenickou vyrobu. V minulosti byly vapence volne sbirany a lamany jako balvany, pozdeji byly tezeny v malych lomovych provozovnach, kde se misty vyuzivalo i sten prirozenych krasovych zavrtu. Jednou z vyznamnych tezebnych lokalit je Wiehlovo udoli, tez zvane Padouch. Udoli Padouch je ostre zariznuto do lazaneckych vapencu ve spodni casti Rudicke plosiny. Vyustuje v Olomucanskem zlibku nedaleko jeskyne Byci skala. Pri archeologickem vyzkumu v udoli Padouch se podarilo objevit nejen stredovekou hutnickou dilnu, ale i zdroje surovin, ktere pouzivala. Jsou zde patrne jamy, kde hutnici ziskavali zeleznou rudu. Kutaci pole se vyznacuje nepravidelne rozlozenymi nalevkovitymi jamami, ktere se od sebe odlisuji jak hloubkou, tak i rozlohou. Vzhledem ke geologicke situaci lze predpokladat, ze rozlehlejsi vnitrni prohlubeniny jsou pozustatkem po tezbe hlinek a jilu, zatimco vnejsi jsou pozustatkem po tezbe zelezne rudy.


Ukoly nutne pro zalogovani:
1. K logu prilozte svoje foto s GPS (samostatnym lovcum staci foto jejich GPS) u informacni tabule.
2. Na muj email odeslete odpovedi na nasledujici otazky:
     a) Jaka je nadmorska vyska udoli u informacni tabule?
     b) Co je limonit?
     c) Jaky stupen tvrdosti ma rohovec?    
     d) K cemu se v archeologii vyuziva magnetometrie?


Necekejte na potvrzeni a rovnou se zalogujte. Ozvu se pouze v pripade chybne odpovedi.


Zdroje informaci: Informacni materialy Spravy CHKO Moravsky kras.




[EN]
Mineral Resources Mining in Moravian Karst
Mineral resourses mining and processing counted among the first important activites of human beings at the territory of Moravian Karst. In particular, mining of iron ore, limestone and foundry sands influenced construction of ironworks and iron foundries. Accidental opencast collecting of raw materials for manufacture of stone tools, e.g.collecting of hornblendes from Jurassic (Mesozoic) overlays and slacks of Rudice layers was later followed by collecting of opencast limonitic iron ore that had originated due to specific geochemical conditions at the contact of devon limestones and Rudice layers. In the Slavonic era, iron industry developped significantly which was proved by archeological excavations of old steel mills in the surroundings of Rudice, Olomucany and Habruvka. Iron ore from Rudice layers not only from opencast collecting but also from systematic mining in shallow pits was used here as mineral resource.


Lime industry in Padouch
Limestones have been important mineral resources of Moravian Karst. They represent raw mineral base for production of lime, building stones and high-grade stone production. In the past limestones were freely collected and querried as boulders, later they were mined in small querries where rock walls of natural karst sink-holes were utilized here and there. Wiehl´s valley, also called Padouch, was one of important miniming places. The valley of Padouch has sank deeply in limestones of Lazanky in the lower part of Rudice plateau. It leads in Olomucany glen close to Byci skala. During archeological investigations in the Padouch valley not only a medieval metallurgical workshop happened to be found but also sources of raw materials that were used there. Pits, where metallurgists obtained iron ore, are obvious there. Mining field is distinguished by irregularly located funnel-shaped holes that differ by both depth and surface area. With respect to geological situation it can be assumed that more extensive inner sags are results of earth and clay mining, while the outer ones are results of ironstone mining.

The necessary tasks for logging:
1. Add your photo with a GPS made near the information board (for alone cachers a photo of their GPS will do).
2. Send answers to the folowing questions to my e-mail:
     a) What is the valley altitude near the information board?
     b) What is limonite?
     c) What is the hardness of hornblende?
     d) What is magnetometry used in archeology for?

Source of information: Information materials of Administration of the Moravian Karst Protected Landscape Area.


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Current Time:
Last Updated: on 11/23/2014 10:26:02 AM (UTC-08:00) Pacific Time (US & Canada) (6:26 PM GMT)
Rendered From:Unknown
Coordinates are in the WGS84 datum