1. Geological map of Turkey, Zonguldak sheet 1. 500 000;Aksay,2002
2. The geology of the Eldivan-Şabanözü (Çankırı) and Hasayaz-Çandır (Kalecik-Ankara) area;Akyürek,1980
3. Standard Test Method for Sieve Analysis of Fine and Coarse Aggregates;ASTM Standard C136/C136M,2015
4. Standard Test Methods for Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass;ASTM Standard D2216,2010
5. Standard Test Methods for Liquid Limit, Plastic Limit, and Plasticity Index of Soils;ASTM Standard D4318-10,2010