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A series of scans obtained from underground ancient quarries in Paros Island were processed. The structural analysis of the openings was complemented by field observations and measurements, serving as input parameters for numerical software used to evaluate the potential failure mechanisms and overall stability. Blocks with a higher risk of detaching are encountered mostly at tunnel portals where support is required to secure unstable blocks to preserve this geotope.<\/jats:p>","DOI":"10.1144\/qjegh2017-145","type":"journal-article","created":{"date-parts":[[2018,7,11]],"date-time":"2018-07-11T09:16:12Z","timestamp":1531300572000},"page":"61-73","update-policy":"https:\/\/doi.org\/10.1144\/crossmark-policy","source":"Crossref","is-referenced-by-count":8,"title":["3D modelling of the ancient underground quarries of the famous Parian marble in the Aegean Sea, Greece and assessment of their stability using LiDAR scanning"],"prefix":"10.1144","volume":"52","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7575-7006","authenticated-orcid":false,"given":"Vassilis","family":"Marinos","sequence":"first","affiliation":[{"name":"Department of Geology, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4609-1214","authenticated-orcid":false,"given":"Ioannis","family":"Vazaios","sequence":"additional","affiliation":[{"name":"Department of Geological Sciences and Geological Engineering, Queen's University, Kingston K7L 3N6, Canada"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6720-9683","authenticated-orcid":false,"given":"George","family":"Papathanassiou","sequence":"additional","affiliation":[{"name":"Department of Geology, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece"}]},{"given":"Triantafyllos","family":"Kaklis","sequence":"additional","affiliation":[{"name":"Department of Geology, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece"}]},{"given":"Efi","family":"Goula","sequence":"additional","affiliation":[{"name":"Department of Geology, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece"}]}],"member":"1881","published-online":{"date-parts":[[2018,9,28]]},"reference":[{"key":"e_1_3_3_2_1","volume-title":"Recognition of Geological and Ore Geological Conditions of Paros Lychnitis","author":"Anastopoulos J.","year":"1962","unstructured":"Anastopoulos, J. 1962. 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