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Lom Rožmitál u Broumova EarthCache

Hidden : 7/17/2012
Difficulty:
2 out of 5
Terrain:
2 out of 5

Size: Size:   not chosen (not chosen)

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Geocache Description:

Prijmete nase pozvani na prochazku peknou naucnou stezkou asi ctyri kilometry od Broumova etazovym lomem na konci obce Rozmital.


Listing CZ:

Lom Rozmital se nachazi pod hrebenem Javorich hor na severnim okraji obce Rozmital, priblizne 5 km severovychodne od Broumova. Plosny rozsah chraneneho loziskoveho uzemi je 72 ha, dobyvaci prostor ma rozlohu 41 ha.

Naucna stezka ve stare casti lomu ma celkem sedm zastaveni s peknymi, obrazove ilustrovanymi panely a meri pouze necele dva kilometry, takze Vas jeji projiti nevycerpa ani prilis nezdrzi. Provede Vas po stare sopce z doby pred 300 miliony let.

Sopky na Broumovsku byly cinne ve stejne dobe, kdy vznikaly uhelne sloje na Kladensku a Ostravsku. V okoli lomu se mocnost kamene pohybuje kolem 60 metru. Prozkoumane lozisko v Rozmitale cini 14 milionu tun kamene. To je mnohem vic, nez zrejme tezari kdy vytezi. Lom je v provozu od roku 1967. Rozmitalsky kamen se pouziva pro stavebni ucely a jako posypovy material.

V roce 2011 se hlavni tezebni cinnost na Homoli presunula do jine casti tezebniho prostoru a stary lom uz tezari znovu nezalesnili. Naopak udrzuji skaly odkryte tak, aby se tam darilo zivocichum a rostlinam vyhledavajicim teple a suche klima. Jsou tam jezirka, sute, hromady hlusiny a hliny, pastviny a louky. Plan sanace a rekultivace pro cast lomu „Stary lom – Homole“ byl v roce 2008 ocenen druhym mistem v soutezi o nejlepsi revitalizacni projekty Ceske republiky Zeleny most.

V letech 2000 az 2009 delali prirodovedci Muzea vychodnich Cech v Hradci Kralove zakladni biologicky pruzkum arealu lomu a okoli. Pocet zjistenych organismu byl i pro ne ohromujici. Zjistili vyskyt 389 druhu rostlin a 1 379 druhu zivocichu. Z toho 30 druhu zivocichu je chraneno, 18 druhu rostlin a 50 druhu zivocichu je zarazeno do Cervenych seznamu ohrozenych druhu CR.

Rozmitalsky lom je jedinym mistem v kraji, kde zije nocni motyl osenice Rhyacia lucipeta, velmi vzacny je take jedovaty motyl prastevnik starckovy a drobni kovarici Zorochros meridionalis a Quasimus minutissimus. Poprve v Cechach zde byl nalezen brouk Danacea morosa z celedi Dasytidae. Na slunnych mistech se vyskytuje jesterka obecna a vzacneji i zmije obecna. Prikre skalnate svahy a sute jsou puvodnim prostredim rehka domaciho. Na Homoli obcas zaletuje i vyr velky, ktery hnizdi v opustene casti lomu. Nejvzacnejsim druhem bezobratlych je drevomilka Xylomya maculata, ktera se vyviji v trouchnivem dreve. Jde o prvni a zatim jediny nalez v Cechach. V okoli lomu se lze setkat se vzacnymi lesnimi druhy ptaku, napr. datlem cernym a sycem rousnym. K potokum v arealu lomu pravidelne leta za potravou cap cerny. Z hmyzu jsou u jezirek nejnapadnejsi vazky, kterych zde bylo zjisteno 11 druhu.

+ 1 zajimavost:
V kamenolomu Rozmital u Broumova se natacela akcni scena filmu Bastardi III, ktery reziruje nachodsky rodak Tomas Magnusek a v jehoz prvnich dvou dilech si zahrali i nekteri obcane Broumova. (Premiera filmu je naplanovana na 25. rijen 2012.)

K uznani logu mi pres profil zaslete reseni techto ukolu:
1) Zmerte nadmorskou vysku u infotabule 4 - Skaly a sucha vyslunna stanoviste .
2) Co je oznacovano jako akrecni lapilli?
3) Ktere mineraly tu krystalizovaly z horkych roztoku v zaveru sopecne aktivity?
4) Jaka je prumerna rocni teplota uzemi?

Dobrovolna podminka logu:
Vyfotte se u infotabule 5 – Homole – Vyhlidka. (foto pridejte k logu)


Listing ENG (by Google):
 

Rozmital quarry is located below the ridge Javori mountains on the northern outskirts of the village Rozmital, approximately 5 km northeast of Broumov. Areal extent of the protected deposit area is 72 hectares mining area has an area of ​​41 ha.

Trail in the old quarry has seven stops with beautiful, pictorially illustrated panels and measures just less than two kilometers, so her passing you too exhausted or delayed. Guide you through the old volcano of over 300 million years ago.

Volcanoes have been active in the Broumov at the same time the coal seams formed in the Kladno and Ostrava. In the vicinity of the quarry stone thickness is around 60 meters. Explored bearing in Rozmital is 14 million tons of stone. It is much more likely than the miners ever harvested. The quarry has been in operation since 1967. Rozmital stone used for construction and grit.

In 2011, the main mining activity Homole moved to another part of the mining area and the old quarry was again nezalesnili miners. On the contrary, keep the rocks exposed, so that there are animals and plants flourished searching hot and dry climate. There are ponds, debris, piles of waste rock and soil, pastures and meadows. The plan for remediation and reclamation of the quarry "Old Quarry - Loaf" in 2008 was awarded second place in the competition for the best revitalization projects of the Czech Republic Green Bridge.

From 2000 to 2009 did scientists Museum of East Bohemia in Hradec Kralove basic biological survey of the quarry site and surrounding area. The number of detected organisms was overwhelming for them. They found the incidence of 389 kinds of plants and 1,379 kinds of animals. Of which 30 are protected species, 18 plant species and 50 animal species is included in the Red List of Threatened Species Republic.

Rozmital quarry is the only place in the county where he lives moth Rhyacia lucipeta, very rare butterfly is also poisonous and small prastevnik starckovy kovarici Zorochros meridionalis and Quasimus minutissimus. For the first time in Bohemia, there was found a beetle in the family Danacea moros Dasytidae. On sunny places it occurs rarely, and Lizard and adder. Steep rocky slopes and scree are original rehek home environment. The Homole occasionally strays and eagle owl, which nests in the abandoned quarry. Rarest species of invertebrates is Xylomya maculata, which develops in rotten wood. This is the first and only appearance in the country. In the vicinity of the quarry can be found with rare species of wild birds such as woodpecker and black syc rousny. The rivers in the complex refractive regularly flies to feed the black stork. The insects are the most striking dragonfly ponds, which are found 11 kinds.

+ 1 interest:
In the quarry Rozmital near Broumov was filmed action scene in the film Bastards III, directed by Tomas Magnusek Náchod native and the first two parts are played by some citizens Broumov. (The movie is scheduled for October 25, 2012.)
 

 


The
recognition of the logo over my profile please send the following tasks:

1) Measure the altitude of infotabule 4 - Rocks and dry sunny habitats.
2) What is known as accretion lapilli?
3) Which minerals that crystallized from hot solutions at the end of volcanic activity?
4) What is the average annual temperature?


Voluntary
log condition:

Take a photo at table no. 5 - Loaf - View. (photo add to the log)

Additional Hints (No hints available.)