Korelasi Nilai Rebound Schmidt Hammer Dan Kuat Tekan Uniaksial (UCS) Batupasir Meluhu Amritzal Nur Firdaus, Isman Saleh, Masri Masri, Mohammad Suriyaidulman Rianse, Wira Yudha, Zakia Zakia OPHIOLITE : Jurnal Geologi Terapan Vol. 7 No. 3 2026 DOI 10.56099/ophi.v7i3.p149-155