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Mineralogical characteristic of mortars from the Temple of Hatshepsut at Deir el-Bahari: preliminary report

100%
Dziedzic T., Bartz W., Gąsior M.
Polish Archaeology in the Mediterranean
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2015
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vol. 24(2)
93-111
EN
The article presents the results of physico-chemical analyses of a few masonry mortar and whitewash samples taken in the mid-1990s from the Temple of Hatshepsut in Deir el-Bahari. The mineralogical characteristic of the samples contributes to the body of knowledge on the composition of these masonry mortars and their structure, while at the same time encouraging further research on a greater number of samples.
2
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Early copper age settlement with evidence of copper smelting metallurgy from Horná Mičiná (Central Slovakia)

86%
Zachar T., Bartík J., Struhár V., Ozdín D., Pašteka R., Nývltová Fišáková M., David W.
Zborník Slovenského národného múzea Archeológia
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2023
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issue 117
7-24
EN
The presented paper shows the preliminary results of an archaeological and geophysical survey carried out in Horná Mičiná – Hájny diel (Central Slovakia). The site documents prehistoric settlement and is located outside the primarily agricultural area of the Zvolen basin. The magnetometric survey showed the existence of positive anomalies, suggesting the presence of settlement structures. The archaeological research revealed the existence of a settlement feature and a furnace pit. Elemental and mineralogical analyses witness the exploitation of local copper ores. On the basis of 14C analysis, the settlement can be dated to early Eneolithic period. Further knowledge about the settlement is provided by archaeobotanical and osteological analyses.
3
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Badania archeometryczne ceramiki z wczesnej epoki żelaza ze Starego Kraju na Ziemi Lubuskiej

72%
Agua F., Conde J. F., García-Heras M., Kobylińska U., Kobyliński Z.
Wiadomości Archeologiczne
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2017
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vol. LXVIII
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issue 68
147-178
EN
Early Iron Age settlement of the Polish “Old Country region is a relatively well documented period from recent archaeological fieldworks. Functionally distinct sites, such as strongholds, ceremonial places and cemeteries have been found, covering the chronology between the sixth and the fifth century BC. The results of an archaeometric study undertaken with the aim of approaching the production technology and providing some insights into the probable local or non-local provenance of the main pottery types found in such sites are here reported. Selected pottery samples and modern raw clays from three coeval and functionally distinct sites (the stronghold of Starosiedle, the ceremonial place of Kozów, and the cemetery of Sękowice) were characterized by different techniques, such as thin-section petrography, X-ray diffraction (xrd), scanning electron microscopy (sem) and X-ray fluorescence (xrf) spectrometry. Resulting data indicated the sharing of a single technological tradition among the three sites with no particular specialization concerning the functionality of each site. This tradition is characterized by the general use of non-calcareous illitic clays, which showed a high presence of kaolinitic clay minerals in the case of Starosiedle pottery and a high content of chlorite clay minerals in the case of pottery from Kozów. All the pottery types were fired under predominantly reducing conditions at relatively low temperatures between 700 and 750 °C.
4
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Petrographic, mineralogical, and climatic analyses, and risk maps for conservation strategies

72%
Bartz W., Kościuk J., Gąsior M., Dziedzic T.
Architectus
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2020
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issue 2(62)
135-149
EN
El Fuerte de Samaipata is a pre-Hispanic archaeological site in Bolivia that has been on the UNESCO World Heritage List. Its main part – the rock – is densely covered with a complex arrangement of terraces, platforms, water reservoirs, channels, and petroglyphs. The rapidly progressing erosion of the rock is making the petroglyphs less and less clear, and some are no longer recognisable. The main topic of this study is to indicate all risk factors conducive to erosion and to create risk maps identifying the most vulnerable areas that require immediate conservation intervention. Parallel mineralogical and petrographic studies show that the Samaipata rock is a quartz-rich, porous, well-sorted sandstone, classified as quartz arenite or subarcosic arenite. The cement of the rock is composed of quartz overgrowth and ubiquitous, pore-filling hematite-clay aggregates containing non-expanding kaolinite, illite, and expanding smectite. The rock exhibits different stages of weathering, from relatively fresh to strongly altered and heavily cracked. In comparison to fresh rock, the latter has cement enriched in clay minerals and is depleted in hematite due to weathering and the dissolution of the iron-bearing phase.
PL
El Fuerte de Samaipata to wpisane na Listę Światowego Dziedzictwa UNESCO prehiszpańskie stanowisko archeologiczne w Boliwii. Jego główna część to skała ze złożonym układem tarasów, platform, zbiorników wodnych, kanałów i petroglifów. Szybko postępująca erozja sprawia, że petroglify stają się coraz mniej wyraźne, a niektóre nie są już rozpoznawalne. Głównym tematem badań jest wskazanie wszystkich czynników ryzyka sprzyjających erozji oraz stworzenie map ryzyka identyfikujących najbardziej wrażliwe obszary wymagające natychmiastowej interwencji konserwatorskiej. Badania mineralogiczne i petrograficzne wskazują, że Samaipata to bogaty w kwarc, porowaty, dobrze posortowany piaskowiec, sklasyfikowany jako arenit kwarcowy lub arenit subarkozowy. Spoiwo składa się z przerostu kwarcu i wszechobecnych, wypełniających pory agregatów hematytowo-gliniastych zawierających nierozprężający się kaolinit, illit i rozszerzający się smektyt. Skała wykazuje różne etapy wietrzenia, od stosunkowo świeżego do mocno zmienionego i mocno spękanego. W porównaniu ze świeżą skałą ta ostatnia ma cement wzbogacony w minerały ilaste i jest zubożona w hematyt z powodu wietrzenia i rozpuszczenia fazy żelazonośnej.
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