“…, X-선 회절분석을 이용하여 직접적인 광물조성을 분석한 사례들 또한 정성적 평가만이 이루어져오고 있다 (Lee et al, 2012;Kim et al, 2013 (Kim et al, 1989;Lee et al, 1992;Sagong and Jwa, 1997) (Chung, 1974a;1974b;Davis and Walawender, 1982) (Hill and Howard, 1987;Taylor, 1991;Weidler et al, 1998;Monecke et al, 2001 (Moon et al, 2000;Choi and Kim, 2001 (Keeling et al, 2000;Srodon, 2002;Schofield et al, 2002;Evans et al, 2003;Bamford et al, 2004;Potter et al, 2004;Tilley and Eggleton, 2005;Choi et al, 2006), 이 결과를 퇴적분지의 진화 (Son et al, 2001;Tonui and de Caritat, 2003;Kemp et al, 2005 (Schmid et al, 2007)]. Rlg: realgar, Orp: orpiment, Kln: kaolinite, Na-Jar: natrojarosite, Gt: goethite, Hem: hematite, Vrm: vermiculite, Qtz: quartz, Ksp: alkali feldspar, Aug: augite.…”