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Brighten the Ages: Advances and Applications of Dating Methods

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Earth Sciences".

Deadline for manuscript submissions: closed (20 May 2024) | Viewed by 4248

Special Issue Editors


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Guest Editor
Department of Mathematics and Physics, Università degli Studi della Campania "Luigi Vanvitelli", 81100 Caserta, Italy
Interests: isotope geochemistry; accelerator mass spectrometry; 14C dating; stable isotope mass spectrometry; archaeometry

E-Mail Website
Guest Editor
Department of Geosciences, University of Padova, 35122 Padova, Italy
Interests: radiocarbon dating; archaeometry; mortars; ceramics and pigments characterization; Raman and FT-IR spectroscopy; luminescence

Special Issue Information

Dear Colleagues,

This Special Issue aims to explore the developments and applications of dating methods in archaeometry, shedding light on the innovations and challenges faced by researchers in recent decades. This Special Issue covers a wide range of dating methods applied to different archaeological materials (sediments, mortars, potteries, organic residues, metals, etc.) from absolute dating methods, such as radiocarbon dating and optically stimulated luminescence (OSL), to relative dating methods. The latter comprises fundamental methods for establishing the chronological order of archaeological remains and artefacts. Unlike absolute dating, which provides specific calendar dates, relative dating focuses on determining the relative age of objects or layers within a site. Archaeologists use various techniques for relative dating, including stratigraphy and stylistic analysis. When combined with absolute dating methods, such as radiocarbon dating, relative dating contributes to a more comprehensive understanding of the past.

In fact, absolute dating methods in archaeology play a crucial role providing actual chronological information for archaeological materials and sites. Several absolute dating techniques are employed by archaeologists to achieve this precision:

  • Radiocarbon Dating (14C): Radiocarbon dating is perhaps the most well-known absolute dating method. It measures the decay of radioactive carbon isotopes (14C) present in organic materials like wood, bone, charcoal, etc., and inorganic materials, such us mortar binder.
  • Luminescence Dating: Luminescence dating methods, such as optically stimulated luminescence (OSL) and thermoluminescence (TL), determine the time since certain minerals or sediments were last exposed to sunlight or heat. These methods are particularly useful for dating materials beyond the range of radiocarbon dating, reaching hundreds of thousands of years.
  • Dendrochronology: or tree-ring dating, relies on the analysis of tree-ring patterns in ancient wood samples. Each ring represents a year of growth and can be matched with master chronologies, providing precise dating for wooden artefacts and structural elements.
  • Potassium–Argon Dating: This method is used to date volcanic rock and minerals. It measures the ratio of potassium (40K) to argon (40Ar) isotopes, as potassium decays into argon over time. This technique is especially valuable for dating early human fossils and hominin sites.
  • Uranium-Series Dating: Uranium-series dating methods focus on the radioactive decay of uranium isotopes in calcium carbonate deposits, such as cave formations (speleothems). By measuring the ratios of parent and daughter isotopes, archaeologists can establish ages for these formations and the archaeological materials within them.
  • New Frontiers and Challenges: In addition to well-established methods, authors are encouraged to present research that explores new frontiers in archaeometry. This includes topics such as thermochronometry, dating materials older than 100,000 years or younger than 100 years, dating rock surfaces, dating complex archaeological structures, and much more.

Particular interest will be given in new techniques driven by a younger generation of researchers who are leading methodological innovation in archaeometry.

This Special Issue provides an opportunity to share the latest research and discoveries in the field of archaeometric dating, contributing to a deeper understanding of our past through the application of science and technology. Authors are invited to submit contributions that reflect the latest developments and emerging challenges in this critical field of archaeology.

Dr. Fabio Marzaioli
Dr. Giulia Ricci
Guest Editors

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Keywords

  • archaeometric dating
  • radiocarbon dating
  • luminescence dating
  • optically stimulated luminescence (OSL)
  • dendrochronology
  • relative and absolute dating
  • dating organic residues

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Published Papers (3 papers)

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Research

14 pages, 9306 KiB  
Article
Radiocarbon Dating of Magnesian Mortars: The Case of San Salvatore Church in Massino Visconti, Piedmont, Italy
by Giulia Ricci, Michele Secco, Fabio Marzaioli, Isabella Passariello, Filippo Terrasi and Gilberto Artioli
Appl. Sci. 2024, 14(21), 9899; https://doi.org/10.3390/app14219899 - 29 Oct 2024
Viewed by 764
Abstract
This study presents a comprehensive analysis and radiocarbon dating of historical mortar and plaster samples from the San Salvatore—Massino Visconti complex in Piedmont, Northern Italy. Mortar samples and one charcoal sample were collected from various areas within the complex’s lower chapels. Samples were [...] Read more.
This study presents a comprehensive analysis and radiocarbon dating of historical mortar and plaster samples from the San Salvatore—Massino Visconti complex in Piedmont, Northern Italy. Mortar samples and one charcoal sample were collected from various areas within the complex’s lower chapels. Samples were selected and characterized by means of a multi-analytical approach in order to draw inferences about their compositional, mineralogical, and microstructural features. The identification of hydromagnesite and magnesite in the mortar samples suggests the usage of magnesian binder mortar, potentially affecting radiocarbon dating due to its slower carbonation kinetics when compared to calcitic mortars. To mitigate this effect, a purification method was developed involving thermal treatment at 550 °C to isolate datable binding fractions. The results yielded reliable radiocarbon ages consistent with historical context, shedding light on construction materials dating from the 12th to 16th centuries. The study also challenges previous notions by demonstrating the feasibility of radiocarbon dating for magnesian mortars, opening new perspectives for dating such materials. These findings offer valuable insights into the construction history and material composition of the complex, corroborating historical information. Full article
(This article belongs to the Special Issue Brighten the Ages: Advances and Applications of Dating Methods)
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23 pages, 7175 KiB  
Article
Chronological and Archaeometric Evaluation of Bricks from Archaeological Sites of Upper Assam, Northeast India: Estimation of the Firing Temperature and Civilization History
by Raktim Ranjan Saikia, Chaitra Dhar Taye, Nurul Amin, Sorat Konwar, Laura Panzeri and Anna Galli
Appl. Sci. 2024, 14(14), 6271; https://doi.org/10.3390/app14146271 - 18 Jul 2024
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Abstract
This study aimed to uncover the chronology and production technologies of ancient bricks unearthed from various locations in Upper Assam, Northeast India. To achieve this goal, complementary spectroscopic techniques such as Fourier Transform Infrared Spectroscopy (FTIR), X-ray Diffraction (XRD), Scanning Electron Microscope (SEM) [...] Read more.
This study aimed to uncover the chronology and production technologies of ancient bricks unearthed from various locations in Upper Assam, Northeast India. To achieve this goal, complementary spectroscopic techniques such as Fourier Transform Infrared Spectroscopy (FTIR), X-ray Diffraction (XRD), Scanning Electron Microscope (SEM) coupled with Energy Dispersive Spectrometer (EDS), as well as Thermoluminescence (TL) and Optically Stimulated Luminescence (OSL/IRSL) dating, were applied. FTIR and XRD analyses revealed the presence of quartz, feldspar (microcline, orthoclase, albite), kaolinite, chlorite, cerussite, palygorskite, magnetite, hematite, and organic carbon. The mineralogical composition indicates two distinct groups with firing temperatures below 650 °C and above ~800 °C. These two groups could be the first indication of the presence of two civilizations or at least two different production technologies involving different firing temperatures and kiln atmospheric conditions. Further, the SEM-EDS study suggests that both calcareous and non-calcareous clays were used in brick making, which have low and high refractory properties, respectively. The internal morphology of the samples shows the existence of micropores and microfractures, indicating the influence of higher-temperature firing. Absolute dating techniques associate the two brick groups with different age ranges: a firing temperature above ~800 °C indicates a superior technology corresponding to a production period between the 7th and 10th centuries CE. In contrast, a temperature below 650 °C indicates a technologically less advanced group of people, with the age group dated between the 11th and 14th centuries CE. Full article
(This article belongs to the Special Issue Brighten the Ages: Advances and Applications of Dating Methods)
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17 pages, 3025 KiB  
Article
Tracing the Origins of an Anthropic Vitrified Structure with “Pre-Bleached with Blue LED” Thermoluminescence Dating: The Enigmatic Serravuda Hilltop Fortification in Calabria, Italy
by Anna Galli, Miriam Saleh, Francesco Foggia and Gian Paolo Sighinolfi
Appl. Sci. 2024, 14(11), 4504; https://doi.org/10.3390/app14114504 - 24 May 2024
Viewed by 1104
Abstract
The Serravuda site on a hill near Acri, Calabria in Italy was discovered in 1970. The site presents a unique vitrified lithoid structure. Early theories speculated on its vitrification, ranging from forest fires to extraterrestrial impacts. The structure consists of vitrified Paleozoic rock [...] Read more.
The Serravuda site on a hill near Acri, Calabria in Italy was discovered in 1970. The site presents a unique vitrified lithoid structure. Early theories speculated on its vitrification, ranging from forest fires to extraterrestrial impacts. The structure consists of vitrified Paleozoic rock fragments forming a 45-m-long wall, possibly once extending further. Analysis suggests that humans transported these fragments for construction, with subsequent partial vitrification occurring due to high temperatures from wood combustion. Thermoluminescence dating, using the innovative “Pre-bleached with Blue LEDs” protocol, indicates origins between the Late Bronze Age and Iron Age, aligning with settlement periods in the region. Fading studies were conducted to correct the error in the age data due to signal loss. The scenario suggests that the vitrification of the structure may have been a consequence of human utilization of timber for construction, with combustion resulting from random events such as forest fires or lightning strikes. This description has remarkable similarities with to those proposed for Iron Age vitrified forts in Northern Europe, suggesting that Serravuda could be seen as a precursor to such forts. Moreover, this prompts intriguing inquiries into the origins and evolution of Nordic engineering techniques focused on fire utilization in construction. Full article
(This article belongs to the Special Issue Brighten the Ages: Advances and Applications of Dating Methods)
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