Natural stone is required for maintenance and repair of historically, archaeologically and culturally important structures to prevent deterioration due to weathering and use. Those that have national or World Heritage significance are historically and culturally important. Sometimes, severely damaged buildings may require extensive or complete restoration. The choice of stone should be appropriate in physical and aesthetic terms, ideally from the original source. Researchers, architects, those who specify contracts and other stakeholders need reliable information, but access to, and awareness of, important sources such as manuscripts, publications and collections of samples is often limited. Easier access to information is needed when planning and commissioning works that require the replacement of stone. Making important information more widely available and promoting awareness of the need to maintain adequate supplies of natural stone of suitable quality is a task for both national and international organizations including the Heritage Stone Task Group of IUGS and IAEG. This paper provides some illustrative examples and pointers towards some recent major publications, as well as describing current Heritage Stone Resource and European Union initiatives, all the while requesting further participation from colleagues in this field.
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机译：需要天然石材来维护和修复历史，考古和文化上重要的结构，以防止因风化和使用而变质。具有国家或世界遗产意义的建筑物在历史和文化上都很重要。有时，严重受损的建筑物可能需要进行大规模或完整的修复。石材的选择应该是在物理和审美方面适当，最好从原来的来源。研究人员，建筑师，指定合同的人员以及其他利益相关者都需要可靠的信息，但是对重要资源（例如手稿，出版物和样品收藏）的访问和了解通常受到限制。在计划和调试需要更换石材的工程时，需要更轻松地获取信息。使重要信息得到更广泛的利用并提高人们对保持适当质量的适当天然石料供应的认识，这对包括IUGS和IAEG的Heritage Stone Task Group在内的国家和国际组织都是一项任务。本文提供了一些说明性的示例和指向一些近期主要出版物的指针，并描述了当前的遗产石材资源和欧盟计划，同时要求该领域的同事进一步参与。
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