Table T23. Results of X-ray diffraction analysis.
Core, section, piece, interval (cm) |
XRD split |
Macroscopic interpretation |
XRD minerals | Interpreted by | Comments |
---|---|---|---|---|---|
309-1256D- | |||||
75R-1 (Piece 17, 110–111) | Vein of white + dark green | Quartz, saponite(–), augite(=) | Lledo | Checked | |
76R-1 (Piece 9A, 46–46) | Reddish material | Hematite(+), goethite, albite(?), saponite(?)(=) | Lledo | Checked | |
76R-1 (Piece 9B, 54–54) | Green material | Glauconite, goethite | Lledo | Checked | |
78R-3 (Piece 4, 30–32) | Saponite, chlorite? | Saponite(+), augite | Saku | Checked | |
79R-1 (Piece 8, 81–83) | Green and red material | Quartz, saponite(?), albite, augite | Lledo | Checked | |
79R-1 (Piece 11, 117–120) | Dark green (celadonite?) + chalcedony | Saponite, heulandite(–), quartz(=) | Lledo | Checked | |
80R-2 (Piece 7A, 84–84) | Vein of chalcedony + dark green + pale green | Quartz | Lledo | Checked | |
80R-2 (Piece 5A, 51–52) | Vein of quartz + pale green with FeOx halo | Saponite, quartz(–), hematite(=), augite(=) | Lledo | Checked | |
81R-1 (Piece 12A, 58–60) | Vein of quartz + saponite | Anhydrite, saponite(=) | Lledo | Checked | |
83R-1 (Piece 2C, 20–22) | Vein of saponite + FeOx | Amorphous(+), hematite, goethite, saponite(?) | Lledo | Checked | |
84R-1 (Piece 7C, 72–75) | White vein + sulfide + green (saponite?) | Anhydrite, quartz | Lledo | Checked | |
85R-4 (Piece 2H, 56–61) | Vesicles of green (saponite?) | Pyrite(+), albite(?)(–), talc(?)(=) | Lledo | Checked | |
86R-1 (Piece 7, 54–55) | Chlorite? | Albite, saponite, montmorillonite, augite | Gao | Checked | |
86R-1 (Piece 11A, 84–85) | Saponite + chlorite | Albite(+), augite, saponite(=) | Gao | Checked | |
86R-3 (Piece 1A, 8–9) | Chlorite? | Albite | Gao | Checked | |
86R-3 (Piece 7, 140–141) | Chlorite, calcite? | Quartz(++), saponite(=) | Gao | Checked | |
88R-1 (Piece 2, 17–23) | Vein of saponite | Saponite, albite, augite | Gao | Checked | |
90R-1 (Piece 2, 6–10) | Vein of celadonite + chalcedony | Analcime, montmorillonite | Gao | Checked | |
91R-1 (Piece 3, 12–14) | A | Zeolite?, gypsum? | Laumontite | Lledo | Checked |
91R-1 (Piece 3, 12–14) | B | Zeolite?, gypsum? | Laumontite, illite–montmorillonite(?) | Gao | Sample is same as A, but mounted with very small amounts of material |
91R-1 (Piece 25, 113–118) | Zeolite, celadonite | Laumontite, montmorillonite, albite | Lledo | Checked | |
94R-1 (Piece 18, 88–94) | Laumontite? | Laumontite | Gao | Checked | |
99R-1 (Piece 6, 43–47) | Laumontite? | Quartz(++), saponite(=) | Saku | Checked | |
100R-1 (Piece 3, 12–15) | A | Actinolite? | Saponite, quartz, calcite | Gao and Lledo | Pattern also fits selenium (Se) |
100R-1 (Piece 3, 12–15) | B | Carbonate, calcite | Calcite, quartz(–), saponite(=) | Gao | Checked |
100R-1 (Piece 3, 12–15) | C | Chlorite, possibly sphalerite | Saponite, calcite, and montmorillonite(=) | Gao | Checked |
100R-1 (Piece 6, 1–6) | Chlorite? | ? | ? | ? | |
100R-2 (Piece 46, 32–33) | Chlorite? | Quartz(+), saponite | Saku | Checked | |
102R-1 (Piece 11, 51–57) | Sulfide, anhydrite, zeolite? | Quartz, calcite, saponite(–) | Saku | Checked | |
102R-1 (Piece 24A, 24B, 130–135) | Anhydrite? | Quartz(++), saponite(=) | Saku | Checked | |
106R-1 (Piece 21, 90–92) | Saponite? | Saponite, quartz, diopside | Gao and Lledo | Checked | |
108R-1 (Piece 2A, 3–5) | Chlorite/saponite? | Saponite, quartz, calcite | Gao | Checked | |
108R-1 (Piece 2A, 4–8) | Chlorite? | Saponite, quartz, calcite, albite | Gao | Checked | |
108R-1 (Piece 6D, 30–34) | Light blue mineral | Saponite, quartz, pyrite, albite | Gao | Checked | |
108R-2 (Piece 3, 14–20) | Saponite, chlorite? | Saponite, quartz, calcite, albite, magnetite, pyrite? | Gao | Checked | |
108R-2 (Piece 10, 59–61) | Albite?, K-feldspar? | Saponite, diopside, magnetite, iron | Saku and Lledo | Checked, iron came from scraping tool | |
109R-1 (Piece 11, 112–115) | Vein of saponite + pyrite + calcite? | Saponite, quartz, pyrite, calcite, albite(–) | Gao | Checked | |
110R-2 (Piece 11B, 126–127) | Vein of saponite + calcite + pyrite? | Saponite, quartz, albite, augite, pyrite | Lledo | Checked | |
114R-1 (Piece 12, 113–115) | Zeolite? | Anhydrite, quartz(–) | Saku | Checked | |
122R-1 (Piece 13, 95–100) | Zeolite? | Saponite, albite, augite | Saku | Checked | |
122R-1 (Piece 14, 100–102) | Phyllosilicate? | Albite, augite, saponite | Saku | Checked | |
122R-1 (Piece 14, 100–104) | Pyrite? | Quartz, pyrite, saponite(–), albite(–) | Lledo | Checked | |
122R-2 (Piece 10, 71–73) | Zeolite? plyllosilicate? | Anhydrite | Saku | Checked | |
122R-2 (Pieces 18 and 19, 71–84) | Zeolite and carbonate? | Anhydrite | Saku | Checked | |
123R-1 (Piece 7, 31–35) | Carbonate and zeolite? | Anhydrite(+), calcite(–), saponite(=) | Saku | Checked | |
123R-1 (Piece 9, 47–48) | Carbonate and zeolite? | Anhydrite(+), quartz(–), saponite(=) | Lledo | Checked, sample was repeated because of shift in patterns due to different holder used | |
123R-1 (Piece 12, 80–83) | Carbonate and zeolite? | Anhydrite | Saku | Checked | |
123R-1 (Piece 22, 100–102) | Anhydrite? | Anhydrite, quartz(–), saponite(=) | Saku | Checked | |
124R-1 (Piece 1, 0–6) | Carbonate and zeolite? | Anhydrite, quartz(–), saponite(–) | Saku | Checked | |
128R-1 (Piece 7, 45–51) | Zeolite and anhydrite? | Anhydrite(+), calcite(–) | Lledo | Checked | |
129R-1 (Piece 2, 6–9) | Saponite + rock | Saponite, quartz, albite, augite | Saku | Checked | |
129R-1 (Piece 6, 101–105) | Anhydrite vein | Anhydrite, quartz(–), pyrite(–), saponite(=) | Saku | Checked | |
130R-1 (Piece 9, 84–89) | Anhydrite + pyrite vein | Anhydrite, saponite(=) | Saku | Checked | |
130R-2 (Piece 3, 30–34) | Anhydrite + quartz vein | Anhydrite(+), calcite(–), quartz(=) | Saku | Checked | |
131R-1 (Piece 2, 12–16) | Anhydrite vein | Anhydrite(+), quartz(=), saponite(=) | Saku | Checked | |
134R-2 (Piece 1, 2–5) | Pyrite + saponite | Clinochlore, pyrite, chalcopyrite(–), titanite(=), quartz(=) | Lledo | Checked | |
136R-1 (Piece 8, 37–44) | Anhydrite, calcite | Quartz(+), anhydrite(–), laumontite(=), pyrite(=) | Lledo | Checked | |
136R-1 (Piece 10, 63–66) | Anhydrite, calcite | Quartz(+), clinochlore(–), calcite(–), prehnite(–), laumontite(–) | Lledo | Checked | |
136R-1 (Piece 12, 70–76) | Anhydrite, calcite | Quartz, laumontite, pyrite, clinochlore, chalcopyrite, magnetite(=) | Lledo | Checked | |
136R-1 (Piece 23, 132–137) | Anhydrite, calcite | Quartz(+), chalcopyrite, anhydrite, prehnite(=), clinochlore(=), pyrite(=) | Lledo | Checked | |
137R-1 (Piece 2, 29–32) | Anhydrite, quartz, zeolite? | Quartz(+), pyrite, clinochlore(–), calcite(=) | Lledo | Checked | |
140R-1 (Piece 2, 6–14) | Anhydrite? | Pyrite(+), calcite(–), clinochlore(–), anhydrite(–) | Lledo | Checked | |
141R-1 (Piece 4, 17–20) | Pyrite, anhydrite?, saponite | Quartz(+), clinochlore, anhydrite(–), albite(–), pyrite(–) | Lledo | Checked | |
142R-1 (Piece 1, 1–10) | Anhydrite? | Anhydrite(+), prehnite(–), pyrite(–) | Lledo | Checked | |
142R-2 (Piece 3, 63–69) | Pyrite, saponite? | Pyrite, clinochlore/chamosite, albite, prehnite(–) | Lledo | Checked | |
142R-2 (Piece 7, 104–114) | Anhydrite? | Laumontite(+), anhydrite(–), calcite(–), magnetite(–) | Lledo | ||
143R-1 (Piece 19, 116–136) | Smectite? | Clinochlore/Chamosite(+), quartz(–) | Lledo | Checked | |
145R-1 (Piece 4, 98–100) | Vein | Anhydrite, pyrite, clinochlore(–) | Lledo | Checked | |
145R-2 (Piece 20, 131–136) | Sulfides | Pyrite, quartz(–) | Lledo | Checked | |
146R-2 (Piece 1, 55–58) | Vein | Anhydrite, clinochlore(–), quartz(=) | Lledo | Checked | |
149R-1 (Piece 15, 73–76) | Titanite, chlorite? | Anhydrite(+), epidote, calcite, quartz(–), clinochlore(–) | Saku | Checked | |
150R-1 (Piece 3, 23–25) | Laumontite, chlorite(–), pyrite(–) | Anhydrite(+), pyrite, quartz(=) | Saku | Checked | |
151R-1 (Piece 28, 112–113) | Anhydrite + pyrite vein | Quartz(+), anhydrite, sphalerite, calcite, pyrite, clinochlore(–), talc(–)(?) | Saku | Checked | |
153R-1 (Piece 21, 105–114) | Anhydrite + pyrite vein | Quartz, chamosite/clinochlore, anhydrite, sphalerite, pyrite, prehnite(–)(?) | Saku | Checked | |
153R-2 (Piece 8, 60–67) | Anhydrite + pyrite vein | Anhydrite(+), clinochlore, quartz, pyrite, actinolite, albite, prehnite | Lledo | Checked | |
154R-2 (Piece 1, 8–18) | Anhydrite + pyrite vein | Anhydrite(+), clinochlore(=) | Lledo | Checked | |
155R-1 (Piece 22, 101–103) | Chlorite? | Calcite, pyrite, laumontite, clinochlore, quartz | Lledo | Checked | |
155R-1 (Piece 22, 106–109) | Laumontite? | Laumontite | Lledo | Checked | |
155R-2, 10–18 | Zeolite? | Quartz(+), clinochlore, laumontite, pyrite | Lledo | Checked | |
155R-2 (Piece 5, 46–60) | Anhydrite? | Quartz(+), laumontite | Lledo | Checked | |
157R-2 (Piece 10, 85–88) | Anhydrite, zeolite? | Quartz(+), pyrite, clinochlore, anhydrite, calcite, prehnite(=) | Lledo | Checked | |
159R-1 (Piece 9, 57–59) | Anhydrite? | Anhydrite, quartz(–), prehnite(=) | Lledo | Checked | |
162R-3 (Piece 5, 51–55) | Laumontite? + chlorite + pyrite | Laumontite, quartz, pyrite(–) | Lledo | Checked | |
162R-3 (Piece 9, 71–75) | Chalcopyrite + host rock | Pyrite, clinochlore/chamosite, quartz, laumontite(–) | Lledo | Checked | |
162R-3 (Piece 10, 77–78) | Vein of chalcopyrite + chlorite + anhydrite | Clinochlore/Chamosite(+), laumontite, quartz, pyrite(–), tremolite(–) | Lledo | Checked | |
163R-1 (Piece 14, 113–117) | Anhydrite in interstices | Anhydrite, quartz(–) | Lledo | Checked | |
165R-3 (Piece 3B, 39–48) | Chlorite + anhydrite + rock | Pyrite, clinochlore, quartz, anhydrite, albite | Lledo | Checked | |
170R-1 (Piece 1C, 12–24) | Vein | Clinochlore/Chamosite(+), quartz, pyrite, anhydrite | Lledo | Checked |
Notes: FeOx = iron oxyhydroxides. (++) = very common, (+) = common, (–) = minor, (=) = very minor.
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