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5 Acta Societatis Metheoriticae Polonorum

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Wpływ fali uderzeniowej na zmiany tektoniczne osadów jurajskich wokół krateru Ries – studium SEM wybranych skamieniałości

100%

Brachaniec T. , Szopa K.

tom 7

21-26

Upper Jurassic sediments of the Ries crater contain numerous fossils including massive and calcite belemnites, which show brittle deformations caused by impact shockwave. The structures are observed in macro and micro scale. SEM observations allowed to distinguish different tectonic forms in investigated material, what show the individualism of breccias formed during the Ries impact.

Pierwsze znalezisko polskich mołdawitów

80%

Brachaniec T. , Karwowski Ł. , Szopa K.

tom 4

37-38

In Lower Silesia, in the late Miocene sediments moldavites were discovered. Finding of polish moldavites may change the existing model of tektites distribution, after the impact in the Ries crater area. Further studies are planned and should bring a new information.

Jak odróżnić oryginał od fałszywek: kopalny meteoryt z Lechówki

80%

Szopa K. , Karwowski Ł. , Krzykawski T. , Brachaniec T.

2018

tom 9

112-122

Value of meteorites can be explained at least in two aspects. From the scientific point of view they are priceless objects, which can bring important information about the very beginning of the Universe. Because of their rarity anduniqueness, the meteorites often are extremely expensive in the term of a commercial value. This situation is used by dishonest sellers who offer fake meteorites. It has happened with the paleometeorite remnants, which were originallyfound in Cretaceous-Paleogene clay boundary in Lechówka, Poland. The so-called fake Lechówka remnants were offered by one seller on domestic online shops. All grains had certificate of authenticity that was included with the sold grains. In this paper we described the most common and diagnostic features, which can be easily applied to distinguish the original meteorite remnants from the fake ones.

Czy w Polsce są autochtoniczne tektyty?

80%

Brachaniec T. , Szopa K. , Karwowski Ł.

tom 7

17-20

Undoubtedly, the river transport is very important in tektites distribution. Most of the moldavites are located in fluvial sediments, what indicates their redeposition origin. Similar situation is on the territory of Poland. Finding of the autochthonous Polish tektites seems very difficult and requires further fieldworks.

Migracja żelaza w indochinicie podczas jego wygrzewania w 1100°C: badania EMPA i XRD

80%

Brachaniec T. , Szopa K. , Krzykawski T. , Broszkiewicz A.

tom 5

47-51

Iron reach tektite represented by indochinite was examined by using EMP and XRD after 120 min long heating in oxide atmosphere at 1100°C. The electron microprobe analyses as well as BSE images reveal loss of iron in tektite bulk composition. Iron as a element was incorporated into a new, probable mineral phase that is mostly present on the surface of the indochinite. Size and textural relation of the Fe-rich phase does not permit to analize it. XRD data does not reveal presence of any mineral rich in Fe including metallic iron.