Successive phases of serpentinization and carbonation recorded in the Sivas ophiolite (Turkey), from oceanic crust accretion to post-obduction alteration

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Table 1

Nomenclature of all calcite and serpentine phases.

Name	Textural characteristics	Sample
C1_all
C1	Sparitic calcite pervasively replacing some serpentine	A1*
C1’	Massive vein of calcite with sparitic grains of calcite	B1*
C1”	Calcite present in the matrix replacing some serpentine	D1*
C2_all
C2	Sparitic calcite grains replacing serpentine	B2*
C2’	Calcite in the matrix of the breccia	E1*
C3	Sparitic calcite next to or in the vein of massive serpentine (C3_sparite)	D1*
C4	Dendritic calcite surrounding sparitic calcite C3	D1*
C5_all
C5	Massive vein of calcite with sparitic grains of calcite associated to hematite	C1*
C5’	Veinlet of calcite which crosscuts all of sample E3* associated with hematite	B1–2*
S0	Mesh of serpentine and bastites	All samples
S1_all
S1	Massive serpentine pervasively replaced by calcite	B1*
S1’	Clasts of massive serpentine in a vein of calcite	B2*
S2	Massive serpentine with dominant chrysotile which crosscuts all phases except C3	D1*

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