Ioannis Iliopoulos

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• PhD
• Professor at University of Patras

This paper presents our preliminary results on the compositional characterization of a ceramic assemblage from the late Classical-Hellenistic Helike settlement (Romanos site), in eastern Achaea. Our goal was to compare both in terms of technology and composition the Hellenistic pithoi with those of the Early Bronze Age settlement of Helike in Rizom...

The Roman provinces did not exist as entities but as a part of a complex system involving their urban and rural landscape, communications and networks. This paper explores evidence for ceramic production within the territory of the Augustan colony of Patras, highlighting the city’s significance as a major production center due to its strategic posi...

The timing and causes for erosional events at the Kastrouli (Greece) archeological site – a Late Myceneaen with reuse in later periods – are presented. Two borehole sediment cores (max 6 m depth), collected from the footsteps of the settlement hill plain, were studied. Sedimentary analysis and luminescence dating techniques investigate and identify...

Museum kits on Sustainability with playful elements to be used in the classroom by K-12 teachers

Pelotherapy has been used as a treatment of different diseases from medical, pharmaceutical and cosmetics fields. Mineralogi-cal and chemical compositions and the possible toxicity of peloids were first investigated and then compared with the existing toxicity levels in order to determine whether they have applications for pelotherapeutic treatment...

The analysis of the ASTC1 sediment core from the south Aegean Sea region offers critical insights into the complex interplay of geological and climatic factors over the Holocene period. The data reveals fluctuating climatic conditions during the last 8.7 ka as seen through the elemental concentrations obtained by XRF core scanning combined with a q...

Ancient Messene mosaic mortar materials characterization.

Age estimation of two carbonate rock samples, using thermoluminescence (TL) technique, and two ceramic sherds using optically stimulated luminescence (OSL) was performed; all derived from School of Homer (Pe-likata), on Ithaca Island, Greece. The first stone sample was collected from the east façade, the lower row of the Mansion (ITH-3), while samp...

The Metaverse is the three-dimensional iteration of the Internet, a perpetual open web of persistent, networked environments merging physical reality with digital virtuality. Science Technology Engineering Art Mathematics (STEAM) education bridges two knowledge domains often perceived as disjointed: science and technology with art, humanities and s...

Η Γεωλογία είναι μια επιστήμη η οποία ενώ συνδέεται άρρηκτα με την βιώσιμη ανάπτυξη και την προστασία του περιβάλλοντος εν τούτοις δεν είναι τόσο οικεία σε νεανικά κοινά. Η γνώση της συμβολής των ορυκτών υλικών στον πολιτισμό μας μπορεί να συμβάλλει στην οικοδόμηση υπεύθυνης περιβαλλοντικής συνείδησης και συμπεριφορών. Με αυτό τον στόχο, το Μουσείο...

In western Greece is the Pindos Foreland Basin, a geological depression that contains approximately 2500 m of mainly Upper Eocene to Lower Oligocene submarine fans deposits. Despite the extensive stratigraphic and structural research that has defined the basin as a foreland basin that developed adjacent to Pindos Orogen, the impact of orogenic hist...

The Metaverse is the three-dimensional iteration of the Internet, a perpetual open web of persistent, networked environments merging physical reality with digital virtuality. Science Technology Engineering Art Mathematics (STEAM) education bridges two knowledge domains often perceived as disjointed: science and technology with art, humanities and s...

Corinth, Achaea in the northern Peloponnese, and Nicopolis in Epirus (Greece) have a strong archaeological record of ceramic production, from the Early Helladic to Late Roman periods. Important archaeological sites, such as Helike, Aigeira, the settlement of Derveni, and the cities of Patras and Nicopolis, offer data and findings of exceptional qua...

A new handwritten twenty pages’ manuscript of initiation to the Greek secret “friendly society” organization which was formed beginning of 19th century and essentially established the Greek independence against the Turks has been investigated. Historical accounts, spectroscopy analysis using Raman, X Ray Fluorescence and Near Infrared, for paper an...

Caves with hot springs and speleothem deposits are infrequent environments of high scientific interest due to their unique environmental conditions. The selected site is a small open cave with a hot spring and stalactites in the Aedipsos area (NW Euboea Island, Greece), which was studied through an interdisciplinary approach. The mineralogical comp...

The study of microbial mats in extreme environments is of high scientific interest from geological, ecological, and geomicrobiological aspects. These mats represent multilayer bio-structures where each taxonomic group dominates a specific vertical layering distribution resulting from its growth and metabolic activity. In the present study, microbia...

Recent findings of archaeological research in the Vathy gulf area, Astypalaia island, indicate its continuous habitation since prehistoric times, most importantly in the transitional period from the Final Neolithic to the Early Bronze Age (late 4th/early 3rd millennium BC). The evaluation of the prehistoric stone artefacts from Vathy using non-inva...

This paper investigates the techniques of manufacture for ceramic vessels in the Early Helladic (EH) settlement of Helike, Achaia, and offers insights into the degree of standardization that determined pottery production in the Early Bronze Age (EBA) Peloponnese. Our research is based on an integrated program of analyses to ascertain the characteri...

This paper investigates the techniques of manufacture for ceramic vessels in the Early Helladic (EH) settlement of Helike, Achaia, and offers insights into the degree of standardization that determined pottery production in the Early Bronze Age (EBA) Peloponnese. Our research is based on an integrated program of analyses to ascertain the characteri...

The three–phase structure of Polylactic acid (PLA), cold crystallized at two diferent crystallization temperatures (TC), is performed by complementary electrical characterization techniques in a wide frequency range. Initially amorphous samples are crystallized from the glassy state at 80 °C / 4 h and 130 °C / 2 h in two diferent Dielectric Spectro...

Fossil bones are not only providing information on the palaeoenvironment that a vertebrate once lived, but also on the diagenetic and fossilization processes of the respective burial environment. Alterations in apatite composition, crystallinity and bone histology reflect the conditions that prevailed in the depositional environment. In the presen...

Samples were collected from the argillic alteration zones in Sappes area, Thrace, Northern Greece and were examined for their mineralogical composition. Results showed that the sericite zone is the most widespread type of alteration in the studied area, followed by the transitional sericite–kaolinite zone and finally the pyrophyllite-rich zone. Aft...

This paper describes a study case of the Science and Technology Museum “Pedagogical Competence Programme” for students of the Department of Geology. It highlights an experimental approach of the museum for designing museum educational programmes with students. The museum succeeded from one side to develop a new program to offer to schools using par...

Abstracts book of the Helike VI International Conference, Helike after 373 BC - An Interdisciplinary Approach, Aigion, 4-6 September 2021

Siliceous concretions (nodules), from two different geological settings—the Apulian platform margins in Kefalonia island, and the Ionian Basin in Ithaca, Atokos, and Kastos islands—have been studied both in the field and in the laboratory. Nodule cuttings are mainly characterized by the development of a core, around which a ring (rim) has been form...

The Pindos foreland basin is an elongated, NW-SE trended and parallel to the Pindos Orogen depocenter that is bounded to the east by the Pindos thrust and to the west by the Ionian thrust. Further, other internal thrusts, such as Gavrovo, internal and middle Ionian thrusts complicate the basin development. The Upper Eocene-Lower Oligocene sedimenta...

The Achaea and Corinth regions of the northern Peloponnese are renowned for their rich archaeological record. Achaea is part of mainland Greece in the North-Western Peloponnese, whereas Corinth is in the North-Eastern Peloponnese. Since ancient times, ceramic production has played an important role in the local and regional social and economic evol...

The present study deals with the characterization of a ceramic assemblage from the Late Mycenaean (Late Helladic III) settlement of Kastrouli, at Desfina near Delphi, Central Greece using various analytical techniques. Kastrouli is located in a strategic position supervising the Mesokampos plateau and the entire peninsula and is related to other ne...

Located in the south-eastern corner of Ecuador, the Cuyes River valley is a conduit between the Andes and the Amazon. In the late 1970s, monumental structures (presumably pre-Columbian) discovered in this area raised the question of who the pre-Hispanic inhabitants of this valley were: Andean or Amazonian peoples? The research summarized here descr...

A ceramic assemblage selected from a recently excavated Late Helladic settlement at Kastrouli (Central Greece) has been chemically analyzed and statistically elaborated, to add new information and contribution to the Mycenaean culture in the wider studied area. The chemical composition of 142 ceramic sherds represented by wide range of household ty...

A ceramic assemblage selected from a recently excavated Late Helladic settlement at Kastrouli (Central Greece) has been chemically analyzed and statistically elaborated, to add new information and contribution to the Mycenaean culture in the wider studied area. The chemical composition of 142 ceramic sherds represented by wide range of household ty...

The application of Near-Infrared Spectroscopy (NIR) on hornfelses from Kos Island, Aegean Sea, Greece, provided new information about the spectroscopic properties of these rocks, considering the occurring mineralogical assemblages. The oldest lithological units of the island occur at Dikeos Massif and date to Permocarboniferous. These suffered cont...

The provenance of ceramic artefacts is one of the fundamental issues in ceramic analysis and is related to the location a ceramic object was produced or manufactured. This, in turn, refers to the clay source from where the ancient potter exploited their ceramic raw material. Being aware of the local geology is crucial to the identification of poten...

In this study obsidian samples from “Nychia” area of Milos Island (Greece) have been analyzed and characterized with various analytical techniques including polarizing microscopy, XRPD, SEM/EDS, ICP-MS and Raman Spectroscopy. The studied samples have a rhyolitic composition. Microliths (feldspars, silica oxide phases, hornblende, biotite and opaque...

Near-Infrared spectroscopy (NIR) is a useful tool for direct and on-site identification of rock mineralogy in spite of the difficulties arising in spectral evaluation, due to limited availability of spectral libraries at the time. Especially in the field, a functional methodology for the identification and evaluation if possible, of the geologic ma...

The Plio-Pleistocene volcanic center of Lichades is located in the Northern Euboean Gulf, at the western extremity of the North Anatolian Fault and it is one of the most neo-tectonically active areas in Greece. Volcanic rocks are exposed in the form of lava flows and/or domes mostly in the small islands (Lichades) offshore Kamena Vourla, as well as...

Introduction According to Bourli et al., (2019) upper Cretaceous-Lower Eocene deposits of the Ionian basin is the major target in hydrocarbon exploration as they represent the expected reservoir rocks. These deposits are mostly composed of calciturbidites interbedded with breccia-microbreccia deposits. Calciturbidites can be of great economic impor...

In the present study, a variety of different rock samples characterized by hydrous minerals, from Kos Island, South-East Aegean, were used to produce reflectance spectra in the VIS-NIR region. The spectroscopic analysis is supported with petrographic analysis accompanied with microphotography and X-Ray Powder Diffraction analysis, aiming at first l...

The subject addressed in the present contribution is related to the application of Near Infrared Spectroscopy on calcite-rich rocks for mineralogical identification. Calcite is an abundant mineral in many geological environments. Depending on their CaCO3 and MgCO3 content carboniferous sedimentary rocks are differentiated into limestones, dolomites...

The subject addressed in the present contribution is related to the application of Near Infrared Spectroscopy on calcite-rich rocks for mineralogical identification. Calcite is an abundant mineral in many geological environments. Depending on their CaCO3 and MgCO3 content carboniferous sedimentary rocks are differentiated into limestones, dolomites...

Siliceous (chert) concretions are a prominent component of Cretaceous limestones in the Ionian zone of western Greece. This study investigates the diagenetic evolution of such cherts from two localities: largely undeformed strata on Kastos Island and highly faulted strata at Araxos. In both areas, lower Cretaceous limestones contain abundant small...

The cave of Daraki-Chattan (in Rewa river, India) bears important palaeolithic rock art (petroglyphs), while the environs is exceptionally rich in stone tools, mostly of the Acheulian. The field survey and excavations in the area found cupule panel fragments almost down to bedrock; Acheulian industry to Oldowan-like industry including several hamme...

The excavations of the Helike Project in the area of Helike in northwestern Peloponnese, Greece, have brought to light the extensive remains of the Early Helladic EH (II-III) settlement. A huge amount of pottery revealed, including serving vessels and cooking ware, as well as transport and storage jars and large pithoi. The technological variabilit...

Since 2006, a systematic underwater archaeological survey has been taking place around the Mazotos ancient shipwreck, dated to the fourth century BC. As this is a rare case of a coherent shipwreck site under excavation, the study of its formation processes was set as one of the main objectives of the project. For this purpose seismic profiles and c...

The Corinth rift is counted among the most active tectonic grabens in the world, with extension rates up to 15 mm/yr (Western part). These high extension rates are associated with very strong seismic events that are, occasionally, responsible for submarine mass movements. These movements, their consequential bottom currents, and the differential ri...

The present paper summarizes the preliminary results of the mineralogical and micropaleontological analysis conducted on sediment samples from core TYR05 retrieved from the anoxic and hypersaline Tyro basin in the eastern Mediterranean Sea. The core comprises a complex lithostratigraphic sequence attributed to the strong geodynamic regime of the ar...

Representative perlite bulk rock samples from two areas of Milos Island, Greece were collected and the expansion properties of their industrial product were investigated. Coarse crude perlite from Tsigrado exhibits better expansibility, which is assigned to the presence of coarser crystallites in its bulk parent rock. During thermal treatment, the...

The Corinth rift is counted among the most active tectonic grabens in the world, with extension rates up to 15 mm/yr (Western part). These high extension rates are associated with very strong seismic events that are, occasionally, responsible for submarine mass movements. These movements, their consequential bottom currents, and the differential ri...

During burial, bones undergo transformations that could enhance their preservation through the geological time. The intensity of these transformations depends on the external environmental conditions. The current study describes the microstructural and histological modifications of vertebrate bone remains, in association with the adjacent burial en...

The Nawamis are sandstone-built circular structures, located at several sites across Southern Sinai, Egypt. They are thought to be family tombs, created by the nomadic people that inhabited the area. Archaeological age estimates fall within the Early to Late Bronze Age. Here an interesting suite of nine OSL dates of three stone pieces has been resu...

The paper presents the first results of investigations on craftsmanship of big storage pithoi found in domestic contexts at the Early Helladic settlement of Helike, Achaea, in the NW Peloponnese, Greece. Beyond describing the conspicuously standardized morphological qualities in terms of profile, surface treatment and building techniques that perta...

New geological and structural mapping combined with kinematic and amphibole chemistry analyses is used to investigate the deformation history of the Cycladic Blueschist Unit (CBU) on Sifnos Island (Cyclades, Aegean Sea). We concentrate on north Sifnos, an area characterized by exceptionally well-preserved eclogites and blueschists. Our data show th...

The excavations of the Helike Project in the area of Helike in northwestern Peloponnese, Greece, have brought to light the extensive remains of the Early Helladic EH (II-III) settlement. A huge amount of pottery revealed, including serving vessels and cooking ware, as well as transport and storage jars and large pithoi. The technological variabilit...

Six specimens of magnesia-spinel material are made under laboratory conditions. Specimens are prepared at 1600ºC from sintered magnesite and three different compositions based on spinel, previously synthesized at 1760 ºC. Sintered magnesite and synthesized spinel properties are provided. Raw material properties in relation to different spinel conte...

The chemistry and distribution of phases formed in a set of six laboratory-prepared magnesia-magnesium aluminate spinel ceramics and in three of their precursor spinel-based compositions, sintered at 1600°C and 1760°C respectively, are examined and compared. The evaluation of the results is the basis for the industry design of magnesia spinel refra...

The chemistry and distribution of phases formed in a set of six laboratory-prepared magnesia-magnesium aluminate spinel ceramics and in three of their precursor spinel-based compositions, sintered at 1600°C and 1760°C respectively, are examined and compared. The evaluation of the results is the basis for the industry design of magnesia spinel refra...

The chemistry and distribution of phases formed in a set of six laboratory-prepared magnesia-magnesium aluminate spinel ceramics and in three of their precursor spinel-based compositions, sintered at 1600°C and 1760°C respectively, are examined and compared. The evaluation of the results is the basis for the industry design of magnesia spinel refra...

Detailed geological mapping, structural investigation and amphibole chemistry analyses in southern Evia (Aegean Sea, Greece) allow us to place new constraints on the internal structural architecture and tectonic evolution of the Cycladic Blueschists. We show that the early deformation history was related to ESE directed thrusting resulting in the s...

The abundant pottery discovered at the Early Helladic settlement of Helike in Achaea, Greece corresponds to a variety of complete and some unique vessels, cooking ware, transport and storage jars, large pithoi and pots, rich in shapes and decorations. These artifacts together with the architectural and other finds provide strong evidence on its his...

The excavations of the Helike Project in the area of Helike in northwestern Peloponnese, Greece, have brought to light the extensive remains of the Early Helladic EH (II-III) settlement. A huge amount of pottery revealed, including serving vessels and cooking ware, as well as transport and storage jars and large pithoi. The technological variabilit...

A selected assortment of Archaic-Hellenistic tableware samples from Solunto, a Phoenician-Punic site located 20 km east of Palermo (Sicily), has been subjected to thin-section petrography and chemical analysis (XRF). In this settlement several ceramic kilns remained operative over a long time period (7th to 3rd century B.C.). The main goal of this...

Petrographic and chemical characterization studies of the terracotta fabric of ancient roofs in 7th-6th cent. B.C. Central Italy were undertaken to determine whether shared rooftile types and/or decoration mean shared technology, whether roofs were always made from local clay sources, and whether technical similarities in the fabric can demonstrate...

Pantellerian ware is a Late Roman cooking ware whose production centre was established on the island of Pantelleria by the pioneering research of Fulford and Peacock almost 20 years ago (Peacock 1982; Fulford and Peacock 1984). Archaeological and archaeometric studies carried out by the authors of the present contribution during the past four years...

In questo studio sono state integrate osservazioni tipologiche, condotte su forme a vernice nera rinvenute a Palermo, Termini Imerese, Monte Iato e Marineo, con i dati ricavati dalla caratterizzazione mineralogica, petrografica e chimica degli impasti. I 55 campioni selezionati appartengono a due forme : un piatto («Lamboglia 36 » , serie 1310-1320...

We report the infrared activity, in the spectral region of the OH stretching modes, of different composite silicate glasses whose chemical composition is established by X-ray fluorescence measurements. The analysis of the absorption line profiles is made in terms of different spectral contributions, Gaussian in shape. The comparison with analogous...

Although a small number of studies have attempted to introduce automatic grouping procedures into thin section petrography of archaeological ceramics, the majority of studies continue to be carried out by non-automatic means. Although such an approach with the single observer grouping samples has a number of advantages, it is problematic when deali...

Petrographic and chemical analyses of the ceramic body of 114majolica artefacts manufactured in Sicily over a wide time range (16th–-19th century) are presented. All the analysed samples, which belong to museums and private collections, were previously attributed to Sicilian workshops based on stylistic features evaluated by expert historians of ar...

Samples of Roman thin-walled ware from Segesta (northwestern Sicily), dating back to the early Imperial period, were studied by optical microscopy (OM) and Neutron Activation Analysis (NAA). Up to now, this class of Roman fine tableware has only occasionally been evaluated archaeometrically. Nevertheless, numerous production centres are believed to...

Chemical analysis is a well-established procedure for the provenancing of archaeological ceramics. Various analytical techniques are routinely used and large amounts of data have been accumulated so far in data banks. However, in order to exchange results obtained by different laboratories, the respective analytical procedures need to be tested in...

More than 30 ceramic artefacts of the Archaic and Classical periods (6th -5 th centuries BC) found in archaeological sites in the area of Caltagirone (Sicily) and belonging to the collection of the local ≪Museo Regionale della Ceramica≫ were analysed in terms of chemistry and petrography (XRD, XRF and optical microscopy). This suite consists of wel...

Abundant remains of structures and kilns, specifically assigned to ceramic manufacture, have been brought to light at Mozia and Solunto, the most important Phoenician colonies of western Sicily. Archaeometric analyses have been recently started on raw materials, over-fired fragments and production refuses from both the sites. In the present contrib...