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    Wyświetlanie 1-8 z 8
    Tytuł:
    Nowe polskie znalezisko, Częstochowa
    A new Polish find, Częstochowa
    Autorzy:
    Woźniak, Beata
    Woźniak, Marek
    Powiązania:
    https://bibliotekanauki.pl/articles/1033140.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Meteorytowe
    Tematy:
    new meteorite
    ordinary chondrite
    Opis:
    The history of finding another Polish meteorite. The process of meteorite preparation for research and classification. Making 3D copies of the specimen and cutting it.
    Źródło:
    Acta Societatis Metheoriticae Polonorum; 2019, 10; 193-198
    2080-5497
    Pojawia się w:
    Acta Societatis Metheoriticae Polonorum
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Meteoryt Wyszków
    Wyszkow meteorite
    Autorzy:
    Kosiński, Janusz W.
    Powiązania:
    https://bibliotekanauki.pl/articles/1033128.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Meteorytowe
    Tematy:
    Polish meteoritics
    Wyszkow meteorite
    new Polish meteorite
    Opis:
    The text describes the history of finding a new Polish meteorite. The meteorite is under investigation.
    Źródło:
    Acta Societatis Metheoriticae Polonorum; 2019, 10; 92-94
    2080-5497
    Pojawia się w:
    Acta Societatis Metheoriticae Polonorum
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Leoncin – nowy polski chondryt LL4-6
    Leoncin – the new LL4-6 ordinary chondrite from Poland
    Autorzy:
    Karwowski, Łukasz
    Szopa, Krzysztof
    Powiązania:
    https://bibliotekanauki.pl/articles/1033149.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Meteorytowe
    Tematy:
    brecciated meteorite
    monomictic breccia
    new meteorite from Poland
    ordinary chondrite LL4-6
    Opis:
    In this study, the new ordinary chondrite LL4-6 from the Leoncin Community, Poland is reported. This meteorite was sold on Allegro, a Polish online e-commerce platform, to a person, who is member of the Meteoritic Society of Poland. The meteorite was sold in 2017, but originally the fall was in 2012. Finder of the meteorite from the Nowe Gniewniewice Village (Leoncin Community) claimed that the meteorite was still warm (the higher temperature was result after hit in the roof) after fall and made a whole in metal roof (which was repaired soon after the fall). For five years after fall of the meteorite, it stayed in the finder hands. The total known weight of the meteorite is 111.3 g. The main mass is in the M. Burski’s collection (~70 g). Two plates with the total mass 20 g are stored at the Earth Science Museum, Faculty of Natural Sciences, University of Silesia in Katowice, Poland. The meteorite is strongly brecciated. All clasts are rounded, reaching up to 1 cm in size. The matrix is very fine grained. The biggest as well as clasts are represented by complex olivine-feldspar chondrule. Numerous clasts do not have any chondrules or their fragments as well. The fusion crust of the Leoncin meteorite is typical, having porous and glassy (isotropic) the most external part. The glassy zone is rich in Cr-rich spinels, where relicts of unmolten olivines and pyroxenes are present. The next zone is so-called the black vein zone. The veins are represented my metallic phases or Fe sulphide. The most common mineral in the fresh meteorite is olivine, having Fo and Fa up to 69 and 31, respectively. Pyroxenes are characterised by a general chemical formulae as follow: Fs9.78–9.7 Wo44.77–44.2 En46.02–45.53. Almost all feldspars are represented by plagioclases (Ab83.5–86.76Or2.54–5.53An9.42–12.5). Metallic phases are mostly represented by kamacite, taenite and rare tetrataenite (the richest in Ni phase; 55.92–49.21 wt.%). Troilite, spinel, ilmenite, apatite and merrillite are also noted. Based on chemical composition of investigated minerals, the Leoncin meteorite can by classified as a LL ordinary chondrite. It has been confirmed by fayalite content (avg. 30.33%) as well as the forsterite content in pyroxenes (avg. 25.32%). Brecciating of the meteorite, the same mineral content of the chondrules and their matrix shows that the meteorite is an example of monomictic breccia. Metamorphic changes of the clasts, their quality, size and mineral content, together with the chemical composition of selected minerals, indicate the LL4-6 type of the meteorites. The Leoncin meteorite seems to be a regolith, that formed far from the collision place on the asteroid. This situation is confirmed by the limitation of gassy material only to the fusion crust and lack of shock changes in the minerals. The parent body might be similar to the 25143 Itokawa asteroid or has connection with the Flora family.
    Źródło:
    Acta Societatis Metheoriticae Polonorum; 2020, 11; 31-44
    2080-5497
    Pojawia się w:
    Acta Societatis Metheoriticae Polonorum
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Nowe znalezisko meteorytu w południowej części województwa łódzkiego
    New meteorite from the southern part of the Łódź Voivodeship, Poland
    Autorzy:
    Karwowski, Łukasz
    Szopa, Krzysztof
    Woźniak, Marek
    Powiązania:
    https://bibliotekanauki.pl/articles/1830272.pdf
    Data publikacji:
    2021
    Wydawca:
    Polskie Towarzystwo Meteorytowe
    Tematy:
    Kuźnica
    meteorites
    new meteorite from Poland
    ordinary chondrite H5
    Opis:
    An anonymous person from Częstochowa in Poland found a new meteorite during the summer of 2008. The specimen was found in eolian sand, where exotic grains connected with glacial activity were not observed. The suspected meteorite was kept in the founder’s possession until the autumn of 2018. This was when the holder of the meteorite contacted the owners of the woreczko.pl webpage, which is dedicated to meteorite identification. Moreover, the webpage was developed and operated by meteorite collectors Jan Woreczko and Wadi. After meeting, Jan and Wadi bought the meteorite, which is now part of their collection. After the meeting, Jan and Wadi bought the meteorite (total meteorite mass 2143 g), which is now part of their collection. Three fragments with their total mass 20.74 g as well as two thin-sections (7.03 g) are deposited at the Earth Sciences Museum, University of Silesia in Katowice. The fusion crust is black to brownish, typical for a chondrite. Regmagliptes are visible. The meteorite is characterized by chondrules, which range in diameter from 0.015 to 1.000 mm in diameter. The most common type of chondrule is represented by olivine (Ol). The barred Ol texture, showing elongate, sub-parallel bars of olivine with clear pyroxenes (Px) and oligoclase between the bars. The second characteristic type is represented by Ol-Px porphyritic chondrules and radial Px chondrules. The matrix is not recrystallized; and the clasts are up to 0.1 to 0.2 mm in diameter. Px and Ol, plagioclase, metallic phases, troilite, and spinel (Cr-spinel) are up to 71.9 vol.%, 11.2 vol.%., 7.0 vol.%., 4.2 vol.%., and 1.1 vol.% of the meteorite, respectively. The average content of the secondary minerals is 4.4 vol.% (close to the outermost part is up to 8–10 vol.%. The meteorite is classified as a H5 ordinary chondrite, based on the Ol and Px composition (Fa/Fs), with an official name ‘Kuźnica’.
    Źródło:
    Acta Societatis Metheoriticae Polonorum; 2021, 12; 41-57
    2080-5497
    Pojawia się w:
    Acta Societatis Metheoriticae Polonorum
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    New finds in the Morasko meteorite preserve, Poland
    Autorzy:
    Karwowski, Ł.
    Pilski, A. S.
    Muszyński, A.
    Arnold, S.
    Notkin, G.
    Gurdziel, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/411482.pdf
    Data publikacji:
    2011
    Wydawca:
    Polskie Towarzystwo Meteorytowe
    Tematy:
    iron meteorite Morasko
    new finds
    strew nfield
    Opis:
    In result of searching in the Morasko preserve for the documentary series Meteorite Men two irons were found below ground. A 544-g shrapnel-like with weak shock deformations, mildly weathered, at low depth, and 34-kg individual, with its upper surface 156 cm deep, with a thick shell of clay and weathering minerals. Of particular interest is presence of chukanovite, a mineral discovered in the Dronino iron meteorite. Morasko is the second meteorite, where chukanovite could be found. The recovery of a new specimen so much deeper than the previous depth record, suggests that further, more detailed surveys should be conducted in the future with improved metal detecting equipment. Moreover, the larger specimen was found embedded in a Miocene clay, which demonstrates that it fell from the sky at that exact spot and was not deposited in glacial terminal moraine.
    Źródło:
    Meteorites; 2011, 1, 1; 21-28
    2299-0313
    2299-1220
    Pojawia się w:
    Meteorites
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Badania ureilitu NWA XXX za pomocą analitycznej mikroskopii elektronowej
    Studies of a new NWA XXX ureilite by analytical electron microscopy
    Autorzy:
    Szurgot, Marian
    Powiązania:
    https://bibliotekanauki.pl/articles/1032691.pdf
    Data publikacji:
    2009
    Wydawca:
    Polskie Towarzystwo Meteorytowe
    Tematy:
    analytical electron microscopy
    meteorite
    new urelite NWA XXX
    olivine
    pyroxene
    Opis:
    New NWA XXX ureilite was investigated by analytical electron microscopy to determine elemental and mineral composition of the meteorite. The main minerals: olivines and clinopyroxenes have been identified and characterized. The texture, elemental and mineral composition of the meteorite are typical of olivine-pyroxene achondrites.
    Źródło:
    Acta Societatis Metheoriticae Polonorum; 2009, 1; 137-141
    2080-5497
    Pojawia się w:
    Acta Societatis Metheoriticae Polonorum
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Nowe znaleziska w rezerwacie „Meteoryt Morasko”
    New finds in the reserve „Metorite Morasko”
    Autorzy:
    Muszyński, Andrzej
    Pilski, Andrzej S.
    Karwowski, Łukasz
    Kryza, Ryszard
    Gurdziel, Agnieszka
    Powiązania:
    https://bibliotekanauki.pl/articles/1032983.pdf
    Data publikacji:
    2013
    Wydawca:
    Polskie Towarzystwo Meteorytowe
    Tematy:
    Morasko meteorite
    meteorites
    meteoryt Morasko
    new find
    nowe znaleziska
    rezerwat
    Źródło:
    Acta Societatis Metheoriticae Polonorum; 2013, 4; 136-138
    2080-5497
    Pojawia się w:
    Acta Societatis Metheoriticae Polonorum
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Meteoryt Święcany
    Święcany meteorite
    Autorzy:
    Karwowski, Łukasz
    Badur, Łukasz
    Mazur, Marcin
    Powiązania:
    https://bibliotekanauki.pl/articles/1032662.pdf
    Data publikacji:
    2009
    Wydawca:
    Polskie Towarzystwo Meteorytowe
    Tematy:
    meteorites
    new polish chondrite L 4-5
    schock stage s2
    warthering stage w3
    Święcany meteorite
    Opis:
    The new Polish meteorite Święcany represents an old fall. It was found in 2004 in the Podkarpacie region, at Święcany village, commune Skołyszyn, district Jasło. The coordinates of this find are: φ = 49°47'29"N; λ = 21°15'28"E; or „1992”, x= 216194,11, y= 662339,76. It was found by 12 year old Katarzyna Depczyńska on the village gravel road. Probable primary mass is ca. 8 g. The present mass is 6.62 g., and one polished thin section. The classification: ordinary chondrite L4-5, weathering stage w3, shock stage s2.
    Źródło:
    Acta Societatis Metheoriticae Polonorum; 2009, 1; 44-47
    2080-5497
    Pojawia się w:
    Acta Societatis Metheoriticae Polonorum
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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