A typology of lime-based plasters from Iron age II until the Byzantine period in Jerusalem and its vicinity

Aliza Van-Zuiden, Yotam Asscher

Research output: Contribution to journalArticle

Abstract

Ancient lime-based plaster is a fine grain material, composed of lime as a binder and one or more types of aggregates or fillers. The lime consists mainly of the mineral calcite, but several other minerals are formed during its production: quick lime (calcium oxide) is produced while burning limestone, and once it absorbs humidity it turns into lime (calcium hydroxide), which then reacts chemically with atmospheric carbon dioxide to form calcite (calcium carbonate)-the main component of lime plaster. As only in rare cases were materials imported, the aggregate reflects the local availability of resources, and therefore, it is important to study the aggregate. Some aggregates are inert and do not interact with the lime; they act as fillers to improve mechanical properties. In the Jerusalem area, the local materials used are clay/soil, limestone chips, river gravel, flint and chalk; most of these materials do not react chemically with lime. Interestingly, manmade aggregates, such as crushed ceramics and charred ash do react chemically with lime in a hydraulic reaction, improving some mechanical and chemical properties.
Translated title of the contributionטיח-סיד מתקופת הברזל 2 עד התקופה הביזנטית בירושלים וסביבתה: זיהוי אגרגטים והצעה להגדרה טיפולוגית
Original languageEnglish
Pages (from-to)225*-251*
Number of pages27
Journalחידושים בארכיאולוגיה של ירושלים וסביבותיה
Volume14
StatePublished - 2021

Bibliographical note

שער שביעי: דוחות חפירה ושימור

IHP Publications

  • ihp
  • Eretz Israel -- Antiquities -- 586 B.C.-70 A.D., Exilic and Second Temple period
  • Eretz Israel -- Antiquities, Roman
  • Iron age
  • Lime
  • Plaster
  • ארץ ישראל -- ארכיאולוגיה -- תקופה פרסית (587-332 לפנה"ס)
  • ארץ ישראל -- ארכיאולוגיה -- תקופה רומית (63 לפנה"ס- 324 לספירה)
  • טיח
  • סיד
  • תקופת הברזל

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