Major and Trace Element Analysis of Modern Egyptian Pottery

Redmount, Carol A.; Morgenstein, Maury

doi:10.1006/jasc.1996.0070

Cited by 32 publications

(32 citation statements)

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“…6) ones, suggest that the solid solution variscite-strengite, (Al,Fe)(PO4).2H2O, may be the main phosphate mineral. Redmount (1996) reported (Al-Fe)-phosphates in Egyptian ceramics too. SEM/EDS analyses and SEM photomicrographs allowed to identify within the cauixi spicules and in the clayey matrix a new growing mineral aggregates (Fig.…”

Section: Description Of the Minerals And Mineral Chemistrymentioning

confidence: 99%

“…On the contrary of the black earth which are being in detail investigated no consideration has been made about the mineralogy, texture, and chemistry of the archaeological ceramic artifacts found in great quantity in these soils. The application of the mineralogical and geochemical techniques, known as archaeometry (Mommsen, 1986) to study archaeological lithic and ceramic artifacts and as fingerprints aid in understanding modern pottery sourcing have been successfully employed elsewhere by several authors (Noll, 1978;Letsch & Noll, 1983;Freestone & Middleton, 1987;Redmount, 1996;Strazicich, 1998;Costa et al, 1991;Costa & Kern, 1996 ).…”

Section: Introductionmentioning

confidence: 99%

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The ceramic artifacts in archaeological black earth (terra preta) from lower Amazon region, Brazil: mineralogy

Costa¹,

Kern

Pinto³

et al. 2004

Acta Amaz.

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Several archaeological black earth (ABE) sites occur in the Amazon region. They contain fragments of ceramic artifacts, which are very important for the archaeological purpose. In order to improve the archaeological study in the region we carried out a detailed mineralogical and chemical study of the fragments of ceramic artifacts found in the two ABE sites of CachoeiraPorteira, in the Lower Amazon Region. Their ceramics comprise the following tempers: cauixi, cariapé, sand, sand +feldspars, crushed ceramic and so on and are composed of quartz, clay equivalent material (mainly burned kaolinite), feldspars, hematite, goethite, maghemite, phosphates, anatase, and minerals of Mn and Ba. Cauixi and cariapé, siliceous organic compounds, were found too. The mineralogical composition and the morphology of their grains indicate a saprolite (clayey material rich on quartz) derived from fine-grained felsic igneous rocks or sedimentary rocks as source material for ceramic artifacts, where silica-rich components such cauixi, cariapé and/or sand (feldspar and rock fragments) were intentionally added to them. The high content of (Al,Fe)-phosphates, amorphous to low crystalline, must be product of the contact between the clayey matrix of pottery wall and the hot aqueous solution formed during the daily cooking of animal foods (main source of phosphor). The phosphate crystallization took place during the discharge of the potteries put together with waste of organic material from animal and vegetal origin, and leaving to the formation of the ABE-soil profile. KEY WORDSTerra Preta, Black Earth, Archaeological ceramic fragment, Lower Amazon, Phosphates, Mineralogy.Artefatos cerâmicos em sítios arqueológios com terra preta na região do baixo Amazonas, Brasil: Mineralogia. RESUMO Sítios arqueológicos com Terra Preta, denominados de Terra Preta de Índio ou ainda Terra Preta

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Section: Description Of the Minerals And Mineral Chemistrymentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The ceramic artifacts in archaeological black earth (terra preta) from lower Amazon region, Brazil: mineralogy

Costa¹,

Kern

Pinto³

et al. 2004

Acta Amaz.

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“…Petrographical and chemical studies have been used by Redmount (1996) and Strazicich (1998) to identify the raw material and the source of ceramics from Egypt and Mexico, respectively. The chemical composition data obtained here and the textural and the mineralogical presented by Costa et al, (2004) allow us to propose the following materials as raw materials for the ceramics of Cachoeira-Porteira: 1) Clay materials (mainly kaolinite) from the saprolite horizons or mottled zone of weathered fine-grained acid rocks, for example rhyolites and/or fine-grained granites or even clayey sedimentary rocks (shale).…”

Section: The Raw Materials Of the Abe-ceramicsmentioning

confidence: 99%

The ceramic artifacts in archaeological black earth (terra preta) from Lower Amazon Region, Brazil: chemistry and geochemical evolution

Costa¹,

Kern

Pinto³

et al. 2004

Acta Amaz.

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This paper carried out a chemical investigation of archaeological ceramic artifacts found in archaeological sites with Black Earth (ABE) in the Lower Amazon Region at Cachoeira-Porteira, State of Pará, Brazil. The ceramic artifacts, mostly of daily use, belong to Konduri culture (from 900 to 400 years BP). They are constituted of SiO 2 , Al 2 O 3 , Fe 2 O 3 , Na 2 O and P 2 O 5 ; SiO 2 and Al 2 O 3 together add up to 80 % and indicate influence of acid rocks, transformed into clay minerals basically kaolinite. The relative high contents of P 2 O 5 (2.37 % in average) come out as (Al,Fe)-phosphate, an uncommon fact in primitive red ceramics, but found in some roman and egyptian archaeological sites. The contents of the trace elements are similar or below the Earth's crust average. This chemical composition (except P 2 O 5 ) detaches saprolite material derived acid igneous rocks or sedimentary ones as the main raw material of the ceramics. The contents of K, Na and Ca represent the feldspars and rock fragments possibly introduced into saprolitic groundmass, indicated by mineralogical studies. The presence of cauixi and cariapé as well as quartz sand was confirmed by optical microscope, SEM analyses and by the high silica contents of ceramic fragments. Phosphorus was possibly incorporated into groundmass during cooking of foods, and ABE soil profile formation developed on yellow Latosols. The raw materials and its tempers (cauixi, or cariapé, feldspar, crushed rocks, old ceramic artifacts and quartz fragments) are found close to the sites and therefore and certainly came from them. KEY WORDSTerra preta, Black earth, Lower Amazon, Soil, Chemistry, Phosphorus, Geochemical Evolution Artefatos cerâmicos em sítios arqueológicos com terra preta na região do baixo Amazonas, Brasil: composição química e evolução geoquímica. (Cachoeira-Porteira, Pará, Brasil) RESUMO Neste trabalho realizou-se a caracterização química de fragmentos de artefatos cerâmicos encontrados em sítios arqueológicos com terra preta no Baixo Amazonas

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“…For instance, while researchers have detected some differences in the geochemistry of both archaeological sherds and raw Nile silt sediment from different time periods (Krom et al, 2002;Mallory-Greenough et al, 1998), results from tests on modern Egyptian pottery found that divisions between certain modern manufacturing locales were clearer than between ancient and modern sherds from similar locales (Redmount and Morgenstein, 1996). Similarly, De Paepe et al (1992) suggests basic compositional continuity among Nubian Kerma ceramics from different time periods.…”

Section: Geochemical Analysis Of Egyptian and Nubian Potterymentioning

confidence: 93%

“…Given the difficulties in using traditional methods of categorization to fully address the complexities of ceramic production and distribution in colonial Nubia, we turn to geochemical characterization methods, which have been used with some success to separate Egyptian Nile silt vessels by provenance (e.g. Bourriau, 1998;Bourriau et al, 2006;Mallory-Greenough et al, 1998;Redmount and Morgenstein, 1996;Tschegg et al, 2008) and even to suggest possible local Nubian imitations of Egyptian-style ware in the Kerma period (De Paepe et al, 1992).…”

Section: Geochemical Analysis Of Egyptian and Nubian Potterymentioning

confidence: 99%

Re-examining the Egyptian colonial encounter in Nubia through a compositional, mineralogical, and textural comparison of ceramics

Carrano

Girty

Carrano

2009

Journal of Archaeological Science

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Major and Trace Element Analysis of Modern Egyptian Pottery

Cited by 32 publications

References 6 publications

The ceramic artifacts in archaeological black earth (terra preta) from lower Amazon region, Brazil: mineralogy

The ceramic artifacts in archaeological black earth (terra preta) from lower Amazon region, Brazil: mineralogy

The ceramic artifacts in archaeological black earth (terra preta) from Lower Amazon Region, Brazil: chemistry and geochemical evolution

Re-examining the Egyptian colonial encounter in Nubia through a compositional, mineralogical, and textural comparison of ceramics

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