Contributions to Books:

G. DŽErcole, J.H. Sterba:
"From Macro Wares to Micro Fabrics and INAA Compositional groups";
in: "From Microcosm to Macrocosm: Individual households and cities in Ancient Egypt and Nubia", J. Budka, J. Auenmüller (ed.); Sidestone Press, Leiden, 2018, ISBN: 978-90-8890-598-8, 171 - 184.

English abstract:
Between 2013 and 2016, within the framework of the European Research Council Across-
Borders project, 344 samples including sherds, unfired bricks and natural soils have been
submitted to petrological and chemical analysis. Of these, over 100 were Nile clay ware
ceramics from the New Kingdom town on Sai Island (northern Sudan).
Instrumental Neutron Activation Analysis (INAA), with the application of the multivariate
statistical filter proposed by Mommsen, succeeded in separating the samples in different
compositional groups, whose largest is Group 1 including almost all of the Nile clay wares.
Within the remainder of the samples, 16 additional groups were identified that correspond
to and supplement the macroscopic identification. Within Group 1, which is chemically
very homogeneous, specific elements allowed a separation between "Nubian-Local", "Egyptian-
Local" and authentic Egyptian samples in Nile clay wares, although a certain amount
of overlap was found.
Observations on thin sections with optical microscopy (OM) were consistent with the chemical
results and confirmed that the largest group of Nile clay wares is strongly homogeneous also
in its petrography. In spite of this, different micro fabrics were recognised within the Nubian
and the Egyptian (local and not) samples. These petrographic fabrics well mirror the macro-
wares identified on the field and point at a technological variability and at a compresence
of different recipes in the use of Nile silt clays.

Nile clay wares, Instrumental Neutron Activation Analysis (INAA), Optical Microscopy (OM), Sudan, Sai Island

Electronic version of the publication:

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