Temat: Krušné hory - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: The Mining Region of Krušnohoří/Erzgebirge on its Way to Becoming a UNESCO World Heritage Site
Autorzy:: Hrubá, Michaela
Märc, Josef
Powiązania:: https://bibliotekanauki.pl/articles/1375579.pdf
Data publikacji:: 2020-12-04
Wydawca:: Uniwersytet Pedagogiczny im. Komisji Edukacji Narodowej w Krakowie
Tematy:: UNESCO
World Heritage
Krušné hory
Erzgebirge
Montannregion
Education
światowe dziedzictwo
Góry Kruszcowe
edukacja
Opis:: The aim of this paper is to introduce the story of a successful inscription of the Mountain region Krušnohoří/Erzgebirge onto the UNESCO World Heritage List. The paper sums up the historical development of this region, emphasising the most prominent periods of ore mining. The paper also describes the cultural and historical value of selected mining locations and their most signifi cant monuments. Other preparatory research projects are described to the extent that they contributed to the successful inscription. Ongoing projects are described as well, to the extent that they try to promote this mountain region and its cultural and historical values used for promotional and educational activities.
Źródło:: Res Gestae. Czasopismo Historyczne; 2020, 11; 123-135
2450-4475
Pojawia się w:: Res Gestae. Czasopismo Historyczne
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Clinopyroxene from an alkali pyroxenite xenolith, Louená-Oberwiesenthal Volcanic Centre, Bohemian Massif: crystal chemistry and structure
Autorzy:: Ulrych, D.
Niznansky, D.
Pertlik, F.
Giester, G.
Ertl, A.
Brandstätter, F.
Powiązania:: https://bibliotekanauki.pl/articles/2058921.pdf
Data publikacji:: 2006
Wydawca:: Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:: Krušné hory/Erzgebirge Mts.
lower crust origin
alkali pyroxenite xenoliths
crystal chemistry
crystal structure
clinopyroxene
Opis:: Alkali pyroxenite (and ijolite) xenoliths occur in the Tertiary Loučná-Oberwiesenthal Volcanic Centre associated with the Ohře/Eger Rift. The alkali pyroxenite xenoliths represent fragments of an intracrustal complex with Sr-Nd isotope ratios consistent with mantle sources of HIMU-affinity. The crystal structure of diopside from an alkali pyroxenite xenolith with the formula (...) and the lattice parameters a = 9.773(2), b = 8.886(2), c = 5.308(1) [] and = 105.89(3) [°] was refined to an R-value of 0.025 for 1174 reflections. The mean interatomic distances are: within theMe1-O6 octahedron <2.067> , within theMe2-O8 polyhedron <2.498> . The last value reflects the occupation of this atomic position by significant amounts of Fe2+ and Ti4+. The enlargement determined for the bond length to 1.657 is in accordance with the site population for this position: (Si1.69Al0.31). The molar ratio Fe2+/Fe3+ determined by Mössbauer spectroscopy is equal to 0.786. The AlIV deficiency in T-sites of clinopyroxene of rims is negligible (up to 0.019 a.p.f.u.) restricted to sporadic local electronmicroprobe analyses. The presence of Fe3+ in the T-position of Si- and Al-poor clinopyroxenes was not confirmed by X-ray structural analyses because of its low quantity. Nevertheless, the Mössbauer spectroscopy measurements (isomer shift of 0.36 mm/s) imply that Fe3+ is present only in the Me1-O6 positions.
Źródło:: Geological Quarterly; 2006, 50, 2; 257-264
1641-7291
Pojawia się w:: Geological Quarterly
Dostawca treści:: Biblioteka Nauki

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