English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Bone decomposition in archaeological contexts is differential and dependent on geological and taphonomic variables. The present work analyses evidences of skeletal diagenesis in 25 inhumations (3rd-4th to 5th-7th centuries) from the Via XVII necropolis of Bracara Augusta (Braga, Portugal).Bracara Augusta is located in the Minho region, Northwest Portugal. Minho’s granitic soils are characterized by high acidity. Precipitation is high in cold seasons and markedly reduced in the summer. The influence of these factors on bone preservation of Via XVII inhumations was analyzed through the comparison between graves with different structural traits (box presence, box material, sediment presence, chronology, coffin/stretcher presence or material, and cover presence or type), using the chi squared test. None of the comparisons showed significant differences in skeletal preservation frequencies. Yet, the comparison between graves that structurally limit skeletal contact with sediment (sealed/undisturbed boxes) or water flow (gable roof boxes) (100%) and the remaining graves (43.8%) presented significantly different frequencies (χ2 = 7.910; p = 0.005).The taphonomic conditions of Via XVII inhumations are inadequate for bone preservation. In graves preserving osteological material, the presence of a box structure is essential, yet only of determining influence if kept sealed or covered with a gable roof. The continued study of taphonomic factors influencing bone diagenesis will allow the preparation of archaeological excavations in Braga funerary contexts to account for the needed specialists and materials.   Diagenese ossea em inumacoes da Via XVII (Bracara Augusta): Identificacao de fatores tafonomicos e ambientais na preservacao esqueletica diferencialA decomposicao dos ossos em contexto arqueologico e diferencial, dependente de variaveis geologicas e tafonomicas. O presente trabalho analisa evidencias relativas a diagenese esqueletica em 25 inumacoes (seculos III-IV a V-VII) da necropole da Via XVII de Bracara Augusta (Braga).Bracara Augusta localiza-se no Minho, regiao no noroeste de Portugal Continental de solos graniticos caracterizados por elevada acidez. A precipitacao e elevada nas estacoes frias, reduzindo-se marcadamente em periodos quentes. A influencia destes fatores na preservacao ossea das inumacoes escavadas na Via XVII foi pesquisada pela comparacao entre sepulturas de diferentes caracteristicas estruturais (presenca de caixa, material da caixa, contacto com sedimento, cronologia, presenca de caixao/padiola, tipo e presenca de cobertura), recorrendo ao chi quadrado. Nenhuma das comparacoes revelou diferencas significativas nas frequencias de preservacao esqueletica. No entanto, a comparacao entre sepulturas de estrutura limitadora do contacto com sedimento (caixas seladas/nao perturbadas) ou do fluxo de agua (caixa com cobertura de duas aguas) (100%) com as restantes sepulturas (43,8%) revelou frequencias significativamente diferentes (χ2 = 7,910; p = 0,005).As condicoes tafonomicas das inumacoes da Via XVII sao inadequadas para a preservacao ossea. Nos casos em que se preservam evidencias osteologicas, a presenca de estrutura em caixa e fundamental, mas so tem influencia determinante se se mantiver selada ou tiver cobertura de duas aguas. A continuacao do estudo dos fatores tafonomicos que mediam a diagenese ossea permitira que a preparacao das escavacoes arqueologicas de contexto funerario em Braga determine os especialistas e instrumentos adequados ao projeto. Keywords: Bioarqueologia; Arqueologia funeraria; Decomposicao ossea; Periodo tardo-romano/paleocristao.

estudos do quaternário

Bone diagenesis in Via XVII inhumations (Bracara Augusta): Identification of taphonomic and environmental factors in differential skeletal preservation