Autor: Przylibski, Tadeusz - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Potencjalnie lecznicze wody radonowe wschodniej części Wysokiego Grzbietu Gór Izerskich (Sudety) o największej zawartości radonu w Polsce
Potentially medicinal radon waters of the eastern part of the High Ridge in the Izera Range (Sudetes), containing the greatest radon concentration in Poland
Autorzy:: Prusak, Jakub
Przylibski, Tadeusz A.
Powiązania:: https://bibliotekanauki.pl/articles/20222176.pdf
Data publikacji:: 2023
Wydawca:: Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:: 222 Rn
radon
wody gruntowe
woda radonowa
woda lecznicza
Sudety
Szklarska Poręba
groundwater
radon water
medicinal water
Sudetes
Opis:: In the years 2020-2022, the authors conducted research on the activity concentration of 222 Rn in the groundwater of the eastern part of the Izera metamorphic unit. As a result, they found potentially medicinal radon waters in hornfelses of the eastern part of the Szklarska Poręba band. The value measured in one of the water samples appeared to be the highest activity concentration of 222Rn in groundwater of Poland so far - 3368 ±61 Bq/dm3. The authors also found that outflows of potentially medicinal radon waters account for almost 85.5% (47 out of 55) of all groundwater outflows in the study area. Thanks to the large amount of data obtained, the authors calculated a new value of the hydrogeochemical back-ground of 222 Rn in the groundwater of the Izera metamorphic unit. The background is currently 17-890 Bq/dm3. In Poland, higher values have only been reported of the Lądek-Śnieżnik metamorphic unit. The research results also open the way to the possible creation of a modern radon spa in Szklarska Poręba. It could operate in Biała Dolina on the basis of both previously found resources of radon waters of the Karkonosze granite and the radon waters forming within the eastern part of the Izera metamorphic unit.
Źródło:: Przegląd Geologiczny; 2023, 71, 2; 58-70
0033-2151
Pojawia się w:: Przegląd Geologiczny
Dostawca treści:: Biblioteka Nauki

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Tytuł:: Chondryt węglisty NWA 4446
Carbonaceous chondrite NWA 4446
Autorzy:: Przylibski, Tadeusz A.
Blutstein, Konrad
Łuszczek, Katarzyna
Gruchot, Joanna
Powiązania:: https://bibliotekanauki.pl/articles/2087069.pdf
Data publikacji:: 2022
Wydawca:: Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:: meteoryt
chondryt węglowy
chondryt CV3
Asteroida typu C
pas asteroid
Układ Słoneczny
ruda
meteorite
carbonaceous chondrite
CV3 chondrite
C-type asteroid
asteroid belt
Solar System
ore mineral
Opis:: The authors carried out petrographic, mineralogical, and chemical analyses (bulk chemical composition and microanalyses of mineral chemical composition) of NWA 4446 carbonaceous chondrite. NWA 4446 chondrite is classified as CV3, S2, W2. This meteorite is a rock fragment most likely from one of the C-type asteroids orbiting the Sun in the outer part of the asteroid belt. It represents the matter formed at the earliest stages of the formation of extrasola bodies in the solar system. As a result of the research, the authors documented a wider range of variation in the chemical composition of olivine crystals (Fa: 0.67-46.57 mol%) in the matrix and chondrules, and a much narrower range of variation in the chemical com- position of pyroxene crystals (Fs: 0.90–3.35 mol%) against the data used for the classification of the meteorite. The characteristics of the chondrules, ranging in size from 0.5 to more than 1 mm, allowed concluding that they constitute about 60% of the meteorite’s vol- ume, in which they form many structural and mineral varieties PO, POP, BO, PP and RP chondrules were observed. The remaining 40% of the chondrite volume is a matrix consisting of small crystals of pyroxenes, olivines, glass, as well as opaque minerals: sulphides, FeNi alloy, native copper and gold grains, carbonaceous substance, and compact CAIs. The mineral and chemical composi- tion of CAIs shows that their dominant mineral is melilite, accompanied by diopside and spinel. The chemical composition of spinel and diopside is very similar to their total chemical formulas, while the composition of melilite shows a significant sodium deficiency. Among the opaque minerals, one phase of the FeNi dominates - awaruite (Ni 3 Fe), and sulphides are represented by troilite (FeS) and mackinawite ((Fe,Ni) 9 S 8 ). Moreover, grains of native copper with an admixture of gold and grains of native gold with an admixture of platinum, nickel and copper with a size of several μm were identified. Taking into account the admixtures contained in the above-mentioned opaque minerals (mainly Co and Cu), the parent rock of the carbonaceous chondrite NWA 4446 can be considered to have been mineralized with Fe, Ni, Co and Cu ore minerals with the content of Au and Pt. This means that, we can expect deposits of native forms of the above-mentioned metals and sulphides on the parent bodies of carbonaceous chondrites of the CV group - C-type asteroids.
Źródło:: Przegląd Geologiczny; 2022, 70, 7; 513--526
0033-2151
Pojawia się w:: Przegląd Geologiczny
Dostawca treści:: Biblioteka Nauki

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Tytuł:: Szybkość uwalniania się ²²²Rn z wód podziemnych do atmosfery
222Rn release rate from groundwater to the atmosphere
Autorzy:: Przylibski, Tadeusz A.
Maciejewski, Piotr
Zagożdżon, Katarzyna D.
Zagożdżon, Paweł P.
Powiązania:: https://bibliotekanauki.pl/articles/20197025.pdf
Data publikacji:: 2022
Wydawca:: Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:: Radon
222 Rn
wody gruntowe
woda radonowa
powierzchnia wody
stężenie aktywności 222 Rn
jednostka metamorficzna Śnieżnika
groundwater
radon water
surface water
222 Rn exhalation rate
Śnieżnik metamorphic unit
Opis:: The authors conducted studies on the release rate of 222Rn from groundwater flowing out of a spring, from metamorphic reservoir rocks. This source gives rise to a stream about 205 m long. The activity concentration of Rn in the spring was about 700 Bq/dm33, took place at a distance of about 1 70-180 metres from the spring. With regard to the waterflow path, flowtime and the volume of water flowing through the cross-section of the tested stream, the exhalation coefficient of 222Rn from water to atmospheric air is 3.80 Bq/dm3/m, 1.51 Bq/dm3/s and 1. 25 Bq/dm3/dm3, respctively. According to the authors, further research conducted in other springs occurring in other types of rocks and under different flow conditions (at different times of the year) will allow characterizing the dynamics of the process of 222Rn release from groundwater through surface waters into the atmosphere. Perhaps this process can be described with a universal mathematical function.
Źródło:: Przegląd Geologiczny; 2022, 70, 10; 742-750
0033-2151
Pojawia się w:: Przegląd Geologiczny
Dostawca treści:: Biblioteka Nauki

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