Open Access

Table 1

Main minerals used to construct synthetic plugs.

Minerals Constructed plugs Content range (%) References
Sand 9 70–98 [14, 18, 27, 31, 59, 66, 67, 71]
Silica sand 8 80–100 i.e., [8, 10, 12, 15, 17]
Quartz sand 3 50–85 [50, 64, 85]
Carmel silica sand 2 95 i.e., [12]
Crushed rocka 2 95–100 i.e., [42]
Ottawa silica sand 1 90 [12]
Toyoura silica sand 1 98 [79]
CaCO3 fluor 1 95 [12]
Bentonite 1 100 [79]
Kaolinite 1 100 [79]
a

Lithology non-identified.

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