Collapse dolines in miocene gypsum: An example from SW Sivas (Turkey)

Karacan E., Yilmaz I.

ENVIRONMENTAL GEOLOGY, cilt.29, ss.263-266, 1997 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 29
  • Basım Tarihi: 1997
  • Doi Numarası: 10.1007/s002540050125
  • Dergi Adı: ENVIRONMENTAL GEOLOGY
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.263-266
  • Anahtar Kelimeler: collapse, doline, gypsum, rock mass, dissolution, stand-up time
  • Sivas Cumhuriyet Üniversitesi Adresli: Evet

Özet

This study investigated the formation mechanism of dolines. Dolines are caused by dissolution of gypsum in the study area, 50-220 m in diameter. Two systems were applied to determine the support necessary for natural underground opening of given span in a given rock mass. From the characteristics of the rock mass, a 5 m-wide unsupported span in the gypsum can be expected to stand up for over 9 years. The designed span of an artificial opening would normally be considerably less than the span of a collapsed natural opening in the same rock. Dolines in the study area play an important role in the groundwater flow system.