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ARCHIWUM MINERALOGICZNE

 A JOURNAL OF GEOCHEMISTRY, MINERALOGY AND PETROLOGY
ESTABLISHED IN 1925 BY STANISLAW THUGUTT		 ABSTRACTS
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2001-2002

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Alphabetical by the first author's surname 

ADAMCZYK,  ZDZISLAW
Institute of Applied Geology, Silesian University of Technology, ul. Akademicka 2, 44-100 Gliwice, Poland; e-mail: zadamczy@zeus.polsl.gliwice.pl
ZEOLITES IN TERTIARY BASALTOIDS FROM REBISZOW (LOWER SILESIA, SW POLAND)
Archiwum Mineralogiczne v. 54, p. 23-32, 2001-2 (printed 2003)

Several minerals from zeolite group have been found in Rebiszow basaltoid deposits: gobbinsite, natrolite, gismondine, garronite, thomsonite and phillipsite. For the first time gobbinsite has been recognized in basaltoids from Lower Silesia. Moreover, a new phase has been distinguished on the basis of some determined parameters (such as calculation of chemical formulae and X-ray diffraction patterns), belonging to zeolite group and occurring together with other zeolites. Origin of the whole assemblage of zeolite minerals can be related to hydrothermal activity of post-magmatic solutions within thermal contraction cracks of congealing basaltoid lava.
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GHONEIM, MOHAMED F.*; SALEM, IBRAHIM A.*, Hamdy, Mohamed M.**
*Geology Department, Faculty of Science, Tanta University, Tanta 31527, Egypt
**Geology Department, Faculty of Science, Tanta University, Tanta 31527, Egypt and Institute of Geological Sciences, Polish Academy of Sciences, ul. Twarda 51/57, 00-818 Warsaw, Poland
 Origin of Magnesite Veins in serpentinites from MOUNT El-Rubshi and MOUNt El-Maiyit,  Eastern Desert, Egypt
Archiwum Mineralogiczne v. 54, p. 41-63, 2001-2 (printed 2003)

Serpentinite-hosted magnesite veins have been studied in Mt. El-Rubshi and Mt. El-Maiyit, Eastern Desert, Egypt, in order to elucidate the origin of this type of ore. The studied cryptocrystalline magnesite veins were formed as the fracture fillings from ascending CO2-rich hydrothermal solutions. These solutions were brought from deeper-seated horizons upwards to a shallower zone, where due to the decrease of partial pressure of carbon dioxide the supersaturation of the hydrothermal fluids took place causing the deposition of magnesite, most likely at temperature below 300ºC.
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JUREWICZ, EDYTA*, KOZLOWSKI, ANDRZEJ**
*Institute of Geology, Warsaw Unversity, al. ¯wirki i Wigury 93, 02-089 Warszawa, Poland; e-mail: edytaj@geo.uw.edu.pl 
**Institute of Geochemistry, Mineralogy and Petrology, Warsaw University, al. ¯wirki i Wigury 93, 02-089 Warszawa, Poland; e-mail: akozl@geo.uw.edu.pl
FORMATION CONDITIONS OF QUARTZ MINERALIZATION IN THE MYLONITIC ZONES AND ON THE  SLICKENSIDE FAULT PLANES IN THE HIGH TATRA GRANITOIDS
Archiwum Mineralogiczne v. 54, p. 65-76, 2001-2 (printed 2003)

Temperature and pressure of quartz formation on the flat dipping slickenside fault planes covered with quartz and epidote, and quartz from veins in mylonitic zones in the High Tatra granitoid have been compared. The data, obtained by studies of fluid inclusions proved that synkinematic quartz on the slickenside fault surfaces crystallized at higher pressure and lower temperature (1.5 – 1.7 kbar, 212 – 254°C) than vein quartz in mylonitic zones (1.3 – 1.6 kbar, 264 – 316°C). Quartz formation on the flat dipping slickenside faults may be bound to the horizontal compression causing the cold-regime Alpine nappe folding, whereas the post-mylonitic quartz veins formed due to hydrothermal activity probably connected with an older, maybe Variscan stage of the granitoid massif formation.
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KOWALSKI, WLODZIMIERZ*, HOLUB, WOJCIECH*,  WOLICKA, DOROTA*, PRZYTOCKA-JUSIAK, MAGDALENA**,  BLASZCZYK, MIECZYSLAW** 
*Institute of Geochemistry, Mineralogy and Petrology, Warsaw University, al. ¯wirki i Wigury 93, 02-089 Warszawa, Poland
**Institute of Microbiology, Faculty of Biology, Warsaw University , ul. Miecznikowa 1, 02-096 Warszawa, Polan d
SULPHUR BALANCE IN ANAEROBIC CULTURES OF MICROORGANISMS IN MEDIUM WITH PHOSPHOGYPSUM AND SODIUM LACTATE
Archiwum Mineralogiczne v. 54, p. 33-40, 2001-2 (printed 2003)

Biotransformation of phosphogypsum in two anaerobic cultures of mesophilic and thermophilic bacteria was investigated. In the both cultures an increase of sulphide ions was found, adequate to reduction of ca 50 % of sulphates in phosphogypsum. The mineral fraction of the post-reaction precipitates was equal to 43 and 35 % of the initial mass of phosphogypsum in the meso- and thermophilic cultures, respectively. It comprised, in addition to the residue of phosphogypsum, calcite (in the mesophilic cultures) or calcite and apatite (in the thermophilic cultures). In the both post-reaction precipitates, concentrations of lanthanides increased from 0.56 % in phosphogypsum substrate to 1.28 % in the mesophilic bacteria cultures, and to 1.47 % in the thermophilic ones.
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KOZLOWSKI, ANDRZEJ
 Institute of Geochemistry, Mineralogy and Petrography of the Warsaw University, al. ¯wirki i Wigury 93, 02-089 Warszawa, Poland
BOOK REVIEW: OBSHCHAYA MINERALOGIYA (GENERAL MINERALOGY) – ANDREY GLEBOVICH BULAKH
Archiwum Mineralogiczne v. 54, p. 113-114, 2001-2 (printed 2003)
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KOZLOWSKI, ANDRZEJ
 Institute of Geochemistry, Mineralogy and Petrography of the Warsaw University, al. ¯wirki i Wigury 93, 02-089 Warszawa, Poland
BOOK REVIEW: KAMIENIE JUBILERSKIE KOÑCA XX W. (GEMS OF THE END OF THE 20th CENTURY) – TOMASZ SOBCZAK, NIKODEM SOBCZAK
Archiwum Mineralogiczne v. 54, p. 115-116, 2001-2 (printed 2003)
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KOZLOWSKI, ANDRZEJ*, WISZNIEWSKA, JANINA**
*Institute of Geochemistry, Mineralogy and Petrology, University of Warsaw, al. ¯wirki I Wigury 93, 02-089 Warszawa, Poland; e-mail: akozl@geo.uw.edu.pl
**Polish Geological Institute, ul. Rakowiecka 4, 00-950 Warszawa, Poland; e-mail: jwis@pgi.waw.pl
PHOSPHATE AND SILICATE INCLUSIONS IN APATITE AND PYROXENE FROM THE PRECAMBRIAN NELSONITES AND JOTUNITES OF NE POLAND
Archiwum Mineralogiczne v. 54, p. 5-21, 2001-2 (printed 2003)

Melt inclusions were investigated in apatite from nelsonite from the Suwalki anorthosite massif and in pyroxene from the Fe–Ti–P-rich monzodiorite (jotunite) from the Sejny massif, both of Proterozoic age and occurring within the ranges of the Mazury crystalline complex in NE Poland. The melt inclusions in apatite were filled by an aggregate of pyroxene, apatite, calcite, plagioclase, biotite, halite, sylvite, ore mineral plus aqueous solution and gas bubble. At 880ºC in the inclusions two melts: silicate and phosphate one, were observed which neither homogenized nor changed their proportions up to 1080ºC. This indicated the formation of nelsonite from the melt composed of two immiscible phases. Inclusions in pyroxene from jotunite were filled by pyroxene, feldspar, apatite, carbonate and ore mineral with gas bubble. Their homogenization temperatures were from 1090 to 1180ºC; at 1000 to 1030ºC in silicate melt small droplets of carbonate and phosphate melt were visible, homogenizing subsequently in one melt phase. The behaviour of the two melts in the studied inclusions may indicate a genetic affinity of nelsonite with monzodioritic rocks.
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WIERZCHOLOWSKI, BOGUMIL
Institute of Geochemistry, Mineralogy and Petrology, University of Warsaw, al. ¯wirki I Wigury 93, 02-089 Warszawa, Poland
POTASSIUM-RICH DYKE ROCK OF ROGOWEK (SUDETES, POLAND)
Archiwum Mineralogiczne v. 54, p. 77-97, 2001-2 (printed 2003)

Vogesites, microsyenites and alkaline microsyenites have been found to occur within the Klodzko – Zloty Stok granitoid massif. Trace elements identified in these rocks have been used to construct spider diagrams. In vogesites, metamorphic and mag-matic  amphiboles have been identified, the co-occurrence of which  suggests that these rocks have been formed due to mechanical and chemical contamination of syenitic magma with material rich in metamorphic amphiboles. In the Rogowek dyke rocks, the am-phiboles crystallized from melt represent winchite, richterite and magnesio-arfvedsonite in composition. Geochemical data suggest that this magma was generated in within-plate continental environment.
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ZAWIDZKA, KRYSTYNA
ul. Saska 2 m. 14, 03-968 Warszawa, Poland, e-mail: aniazawidzka@acn.waw.pl
 BEHAVIOUR OF GARNETS IN DIAGENESIS OF CENOZOIC SEDIMENTARY ROCKS: EXAMPLES FROM POLAND
Archiwum Mineralogiczne v. 54, p. 99-112, 2001-2 (printed 2003)

The opposite trend between the contents of garnets and quantity of sulphides and organic matter was stated within Quaternary proglacial deposits in the Lomza region and Kurpie plain of NE Poland, as well as in certain Tertiary sediments. Diagenesis of the discussed deposits yielded new mineral assemblages, which changed chemical and physical characteristics of primary sediments. Such transformations, if not recognized  properly, may lead to erroneous conclusions on the type of facies, in stratigraphy based on mineral assemblages, paleomagnetic considerations and paleogeographic interpretations.
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