Table 4. Site 1039 smear-slide descriptions. "Note: H = Hole, T = Type, Sec = Section, Impor = Importance, A = Abundant, C = Common, T = Trace, Blank box = not observed." Sample number Impor Size Composition Fossils Sediment or Rock Name Comments Leg Site H Core T Sec cm mbsf Described by Major lithology Minor lithology Med.-coarse sand Fine sand Silt size Clay size Quartz Feldspar Clay Mica Rock Fragments Volcanic Glass amphibole olivine Glauconite Phosphate Zeolites Dolomite Carbonate Micrite Opaque framboid Iron oxide other Nannofossils Foraminifers Diatoms radiolariansns Silicoflagellates Sponge Spicules Shell debris Fish remains Peloids/pellets Organic matter unidentified 170 1039 A 1 H 2 82 2.32 X A C T A T C Dark olive green diatomaceous ooze 170 1039 A 1 H 2 92 2.42 MM X C A C C A A C C C T T C C T C T T C T Dark olive green silty sand with nannofossils and diatoms 170 1039 A 1 H 4 62 5.12 X A C T T C A C T C Dark olive green diatomaceous ooze 170 1039 A 1 H 5 128 7.28 MM X C A A A A T C T C C C T C Crystal-vitric ash with diatoms and framboids 170 1039 A 2 H 1 14 9.14 NL X C A T T T T T T A C T C T Dark olive green diatomaceous ooze with radiolarians 170 1039 A 2 H 2 143 11.93 MP X A C C T T A C T A A T T Dark greenish-gray coarse sand foraminifers are filled with pyrite with pyrite-filled foraminifers 170 1039 A 2 H 3 63.5 12.64 NL X C A T T C A T T T T T T T Crystal-lithic ash Rock fragments are tephra with feldspar microlites 170 1039 A 2 H 3 74 12.74 PV X C A C T T C T T T T A T T C T Dark olive green diatomaceous ooze 170 1039 A 2 H 5 14 15.14 NL X T C A C T T C A T C A T T Diatomaceous lithic-vitric ash with framboids 170 1039 A 2 H 7 52 18.52 NL X C A T C T T T C T C C T C Olive green siliceous ooze with nannofossils 170 1039 A 3 H 1 78.5 19.29 NL X T C A C T T T C A T T A C C C Diatomaceous ooze with lithic-vitric ash 170 1039 A 3 H 3 113 22.63 MP X A C T T T A T T Vitric ash 170 1039 A 3 H 3 117 22.67 MP X A C T T A C T T C C Crystal-vitric ash with diatoms and framboids 170 1039 A 3 H 4 73 23.73 NL X C A C T T A T T T T T Light gray vitric ash 170 1039 A 3 H 5 89 25.39 NL X T C A T T T T T T T T A C T C T Dark olive green diatomaceous ooze with radiolarians 170 1039 B 1 H 1 16 0.16 MP X A A C T C C T A T T C T T T Brownish gray silty sand "medium sand, turbidite" 170 1039 B 1 H 1 17 0.17 PV X T A C C A C T C C C T T T Lithic-vitric ash with framboids below turbidite 170 1039 B 1 H 1 94.5 0.95 MP X C C C C C C T T T ? C C T T Calcareous silt with nannofossils 170 1039 B 2 H 2 23 3.73 PV X T A C C C T T A C T C Diatomaceous ooze with radiolarians 170 1039 B 2 H 4 116 7.66 NL X C A C T T C C C C T T Diatomaceous ooze with ash 170 1039 B 2 H 5 72 8.72 JM X C A C C T C C A T C Diatomaceous ooze with ash 170 1039 B 3 H 1 35 11.85 NL X A C T C T T T C C C C C C A C T T T Diatomaceous ooze with foraminifers 170 1039 B 3 H 2 84 13.84 JM X C A T T T T C A T T Diatomaceous ooze with pyrite framboids 170 1039 B 3 H 6 22 19 NL X T C T T T C T A T T Diatomaceous ooze with pyrite framboids 170 1039 B 3 H 6 100 19.78 JM X C T T T A A T T Pyritiferous diatomaceous ooze 170 1039 B 4 H 1 106 22.06 HT X T A C T C C T C T A C T Diatomaceous ooze with radiolarians 170 1039 B 4 H 4 120 26.7 MM X C C A A T C A C C T T Crystal-vitric ash 170 1039 B 4 H 5 110 28.1 HT X A A T T T T A C T T Diatomaceous ooze with radiolarians 170 1039 B 5 H 1 130 31.8 HT X T A A T T T A C T T C Diatomaceous ooze with radiolarians Note sample from disturbed interval 170 1039 B 5 H 3 133 34.83 HT X C A C T A T T T T Crystal-vitric ash 170 1039 B 5 H 5 75 37.25 HT X C A T T T A A C T Siliceous ooze 170 1039 B 5 H 6 138 39.38 HT X C A A A T Lithic-vitric ash 170 1039 B 6 H 1 130 41.3 NL X T C A T T T C C A A C C T Siliceous ooze "posssible pollen grain, sparse diatoms " filled with pyrite framboids 170 1039 B 6 H 4 60 45.1 NL X T C A T T T C T T T A C T C T Silty diatomaceous ooze with radiolarians silt rock fragments are pumice with feldspar "microcrystals, CC is 0.46 Ma, sparse pollen grains" 170 1039 B 6 H 5 8 46.08 MP X A A C C C A C T C T Vitric-lithic ash fine sand size 170 1039 B 7 H 1 127 50.77 PV X T A C C T T T T T T A C C C T Diatomaceous ooze Major lithology with siliceous microfossils 170 1039 B 7 H 2 124 52.24 MP X A A C A T A T T Vitric ash with pumice 170 1039 B 7 H 5 136 56.86 PV X C A C C T T T T T T A C T T Diatomaceous ooze 170 1039 B 7 H 7 36 58.86 PV X A A C C T A T T Crystal-vitric ash 170 1039 B 7 H CC 29 59.37 PV X A C C A A C C T T Crystal-lithic ash 170 1039 B 8 H 2 11 60.61 NL X C A C C A T T T T T T T Crystal-vitric ash "Brownish gray ash, rock fragments are glassy pumice" 170 1039 B 8 H 2 90 61.4 N+J X T A A C C T T T T T T T A C T C T Diatomaceous ooze with pumice Major lithology rock frags. are pumice with feldspar & quartz crystals 170 1039 B 8 H 4 65 64.15 MP X A A C C A T A T T T T Crystal-vitric ash "Brown ash, trace zircon" 170 1039 B 8 H 5 42 65.42 MP X A C T T A Vitric ash White ash 170 1039 B 8 H 5 89.5 65.9 NL X C A C T T T T T A A T C Light green silty siliceous ooze Light green layers and burrow fills 170 1039 B 9 H 1 52 69.02 NLG X A C C T A T T Vitric ash 170 1039 B 9 H 1 92 69.42 NL X T C A C C T C C T C T T T T C C T C Silty siliceous ooze with carbonate dark olive green; rock frag. are pumice 170 1039 B 9 H 3 26 71.79 MP X A A C C T A C T Crystal-vitric ash zircon? 170 1039 B 9 H 6 126 77.29 NL X C A T T T C C T T C T T T T A A T T T Silty siliceous ooze with carbonate light olive green; r.f. are pumice 170 1039 B 9 H 7 44 77.97 MP X C A C C T A C C Crystal-vitric ash with framboids 170 1039 B 10 H 1 35 78.35 MM X A C C T A T C C Vitric ash 170 1039 B 10 H 4 90 83.43 JM x C A C T T T C T A C C Diatomaceous ooze with radiolarians 170 1039 B 10 H 5 30 84.33 JM X A A C C T A T T T T Vitric ash other=biotite 170 1039 B 11 H 1 40 87.9 OMS X A C C T A T T T Vitric ash 170 1039 B 11 H 3 80 91.3 HT X C A T A T C C C Silty clay with diatoms and radiolarians Biotite 170 1039 B 11 H 4 65 92.65 OMS X T A A T A C T T T T T Silty clay with lithic fragments 170 1039 B 12 X 1 37 97.37 MM x A T T A T T T T T T T T Clay "Pumice, clear and brown glass" 170 1039 B 12 X 6 32 104.82 JM X A A C T A C C C T Silty clay with diatoms 170 1039 B 13 x 5 30 109.8 HT X A A C T T T A C T T Vitric ash with framboidal pyrite 170 1039 B 13 X 6 80 111.8 MM X C A A T T A C T T C C Silty clay 170 1039 B 14 X 2 57 115.17 MM X C A A T T C C C T Silty clay with siliceous fossils and volcanic glass 170 1039 B 14 X 3 31 116.41 MM X C A A T A T T C C T T Silty clay with framboidal pyrite 170 1039 B 14 X 3 129 117.39 MM X A T A T T C C Sillty clay with siliceous fossils 170 1039 B 15 X 1 41 123.11 MM X A C C C T A T T Dark gray crystal-vitric ash layer 170 1039 B 15 X 3 60 126.3 MM X C A A T T T T Green silty clay 170 1039 B 15 X 5 56 129.26 MM X C A A C T T T T Dark green silty clay with ash 170 1039 B 15 X 5 73 129.43 MM X T A A A T A T T Olive green silty clay with ash 170 1039 B 15 X 6 2 130.22 MM X A C C C T A T Dark brown crystal-vitric ash 170 1039 B 16 X 1 73 132.93 NL X C C C T T T T A A T Light grayish brown lithic-vitric ash R.F. are pumice Unidentified sub-isotropic clay-size mass 170 1039 B 16 X 1 54 132.74 NL X C C A C T A A T T T T T A Medium dark gray ash-rich silty clay Black ashy zone above light grayish brown ash. Unidentified "sub-isotropic clay-size masses poorly sorted, mostly ash" 170 1039 B 16 X 1 72 132.92 NL X A A T T T C A T T T T T T T Light gray lithic-vitric ash "Rock fragments are tephra with opaque; plagioclase, glass" 170 1039 B 16 X 2 60 134.3 NL X C C A A T T T A T C C C T T Light olive green calcareous silty clay w/ash volcanic glass is sand-silt size. Alizarin Red-S reveals common crystalline calcite 170 1039 B 16 X 2 80 134.5 NL X C C A T A A T C A T T T Dark gray calcareous ash-rich clay "dark glass, coarser sizes are all glass and pumice" 170 1039 B 16 X 4 72 137.42 NL X C A T T A C T T T T T T T A Dark olive green clay "Non-calcareous (Aliz. Red-S & HCl) ""Unident.""" is sub-isotropic clay-size masses 170 1039 B 17 X 4 40 146.7 NL X T T T A T C C A T A T T Light green calcareous ooze with nannofossils 170 1039 B 17 X 6 28 149.58 NL X T A T A C C T C T T T Medium olive green clay 170 1039 B 17 X 6 66 149.96 NL X T A T C C C C C Dark gray calcareous clay 170 1039 B 18 X 3 138 155.78 NL X T A T T C C A A T T T Light green calcareous ooze with nannofossils 170 1039 B 18 X 5 19 157.59 NL X C A T T C C T A C C T Gray calcareous clay 170 1039 B 18 X 6 37 159.27 NL X C A T T C C T C C T T X Light olive green calcareous clay unidentified - subisotropic clay? + silica? 170 1039 B 19 X 1 97 162.07 NL X C C A T T A C C A T A T C T T Green calcareous clay Coarser grains are ash with nannofossils and ash 170 1039 B 19 X 3 19 164.29 NL X C A C T C T T A T A T A Dark gray siliceous ooze "Coarse grains are ash, spicules, diatoms" "with diatoms, spicules and nannofossils." 170 1039 B 19 X 5 68 167.78 NL X T C A C A A T A T T C Light green calcareous ooze with nannofossils and diatoms 170 1039 B 20 X 3 34 173.94 NL X C C A T T T A C C T C A T C T Gray-brown calcareous ooze Coarser grains are ash with ash and diatoms 170 1039 B 20 X 5 42 177.02 NL X C C C T T C T T T A T A Dark gray spicular diatomaceous ooze 170 1039 B 20 X 7 42 180.02 NL X T C C T T C T T T T A A Light olive green siliceous ooze with diatoms and sponge spicules 170 1039 B 21 X 1 78 180.98 NL X T C A T T T C C C T A T C T C Light green calcareous ooze with nannofossils 170 1039 B 21 X 2 21 181.91 NL X T A A T T C T T A C C Dark gray nannofossil ooze Black material in burrow; with diatoms and spicules. do not see any reason for color change. 170 1039 B 21 X 2 23 181.93 NL X T T A A T C C C A T C A Greenish yellow calcareous spicule ooze Greenish yellow in burrow; with nannofossils and diatoms color probably due to phosphate 170 1039 B 21 X 6 36 188.06 NL X T A A T A T T C Light gray calcareous ooze with nannofossils 170 1039 B 22 X 2 81 192.11 NL X T A A C A T A T C T T C Light gray nannofossil ooze with diatoms and spicules 170 1039 B 23 X 1 17 199.67 JM X C A C T T T A T T Dark gray vitric ash 170 1039 B 23 X 2 110 202.1 JM X C A A C T A C T C Light gray nannofossil ooze with diatoms 170 1039 B 23 X 6 88 207.88 JM X A A T T T T C T A T T C Light green diatomaceous ooze with nannofossils 170 1039 B 24 X 4 54 214.14 HT x T C A T T T A T C T C Nannofossil ooze with diatoms 170 1039 B 24 X 4 150 215.1 NL X T C A T C C T T A C A C T C Ooze with nannofossils and diatoms large microfossils filled with cloudy brown matter "(phosphate?) and pyrite framboids, dark color" 170 1039 B 24 X 4 150 215.1 NL X T C A T C C A C C T T C Nannofossil ooze with diatoms "white clay, clots of material that did not break up seem to" be microfossils coated with crystalline calcite (foraminifers "and possibly some diatoms), 15-20% siliceous microfossils" 170 1039 B 24 X 4 150 215.1 NL X T C Z T C C T A C C T T C Nannofossil ooze with diatoms yellow clay 170 1039 B 24 X 5 91 216.01 HT X C A T T T C A C C T Nannofossil ooze with diatoms 170 1039 B 24 X 6 130 217.9 JM x T C A T T A T C T C Nannofossil ooze with diatoms 170 1039 B 25 X 3 85 222.55 JM X C A A T T C A C T T C Nannofossil ooze with diatoms and spicules 170 1039 B 25 X 4 83 224.03 OMS X T C A C C A C C C T T Nannofossil ooze with diatoms 170 1039 B 26 X 3 42 231.82 OMS X T C A T T T T A C C C T Nannofossil ooze with diatoms 170 1039 B 26 X 5 66 235.06 HT X C A A T T A T C T C C Siliceous nannofossil ooze subequal amounts of nannofossils vs. diatoms + spicules + silicoflagellates + radiolarians 170 1039 B 27 X 2 80 240.3 MM X C A A T C T A C A C T A Siliceous nannofossil ooze 170 1039 B 28 X 2 73 249.93 MM X C A T C T A C A C T Nannofossil ooze with diatoms 170 1039 B 28 X 7 18 256.88 HT X C C A T C T A T C C T Nannofossil ooze with diatoms and radiolarians 170 1039 B 29 X 1 138 258.78 NL X T C A T T T C A T T C T T A T C T T T Dark grayish brown vitric ash Rock fragments are pumice. with nannofossils. 170 1039 B 29 X 3 42 260.82 NL X T C A T C C T C C T T A T A T C Greenish gray diatomaceous nannofossil ooze with ash 170 1039 B 29 X 3 59 260.99 NL X T C A T T T T C A C A T T Ivory white diatomaceous nannofossil ooze 170 1039 B 29 X 4 118 263.08 NL X T C A T T C C T A C A T T C T Greenish yellow calcareous ooze Also seen in burrow fills. Some pollen grains. with diatoms 170 1039 B 29 X cc 12.5 266.72 NL X T C A T T C C T A C A T T Pale lavender calcareous diatomaceous ooze "Burrow with lavender fill, black reaction rim around outside." 170 1039 B 30 X 3 93 271.03 PV X T A T A T C T C "Nannofossil ooze with diatoms, spicules" 170 1039 B 30 X 5 69 273.79 PV X T A T C T A T A T C Diatomaceous nannofossil ooze 170 1039 B 30 X CC 9 273.98 PV X T A T T A T A T C Diatomaceous nannofossil ooze 170 1039 B 31 X 1 65 277.35 NL X T C A T C C C T T A C A T T T Ivory white diatomaceous nannofossil ooze with foraminifers and ash. 170 1039 B 31 X 2 103 279.23 NL X T C A T C C T C C A T T C Yellowish brown diatomaceous ooze with nannofossils and foraminifers. 170 1039 B 31 X 3 24.5 279.95 NL X T C A C T C C T A T A A T Green calcareous diatomaceous ooze 170 1039 B 31 X 3 43.5 280.14 NL X T C A T C C C A T C C T T Black crystal-vitric ash ash is brown glass + euhedral to subhedral feldspar + quartz 170 1039 B 31 X 6 69 284.89 NL X T C A T T C T T T T A C A T T T Grayish green ooze with diatoms and nannofossils 170 1039 B 32 X 2 36 288.26 NL X T C A C A A A C A C Ivory white calcareous ooze with diatoms 170 1039 B 32 X 4 135 292.25 JRG X T C A T C C T A C A T C Dark gray siliceous nannofossil ooze ash fragments are dark brown obsidian 170 1039 B 32 X 5 124 293.64 NL X T C A T C T C C T T A C C T Olive green calcareous ooze with diatoms 170 1039 B 32 X 7 10 295.5 JM X T A A C T C T A A C T C Nannofossil ooze with vitric ash both clear and brown volcanic glass 170 1039 B 33 X 1 61 296.61 O+M X A A C T A C T Nannofossil ooze with crystal-vitric ash 170 1039 B 33 x 5 68 302.68 JM X T A A T A C C C Siliceous nannofossil ooze 170 1039 B 33 X 6 33 303.83 MM X C A C T T A T C T T Vitric ash with framboids "clear glass, partially devitrifed pumice, altered feldspar" 170 1039 B 34 X 4 100 311.1 OMS X T A T T T T A C C T T C Siliceous nannofossil ooze 170 1039 B 34 x 4 134 311.44 HT X C A A T T C C A C C C T C T Siliceous nannofossil ooze "Volcanic glass is clear, brown. Mica = biotite" 170 1039 B 35 X 3 110 319.3 HT X T A A T T T A C C C T T Siliceous nannofossil ooze 170 1039 B 35 X 6 27 322.97 JM X A A C C C A C C Crystal-vitric ash with nannofossils 170 1039 B 36 X 1 44 325.24 HT X C A A T T C A C C C Siliceous nannofossil ooze with vitric ash Altered radiolarians; brown glass 170 1039 B 36 X 3 60 328.4 HT X C A A T T T A C C C T Siliceous nannofossil ooze Brown and clear glass 170 1039 B 36 X 5 63 331.43 HT X C A A C A A C C Crystal-vitric ash with nannofossil ooze mixed sediment of glass and nannofossils 170 1039 B 37 X 1 10 334.5 MM X T A A T T T C A C T C Siliceous ooze with nannofossils 170 1039 B 37 X 3 67 338.07 MM X T A A T A C C C T T Siliceous nannofossil ooze Ostracode 170 1039 B 37 X 4 38 339.28 HT X C A A A A C C C Siliceous nannofossil ooze "abundant diatoms, pyritized radiolarians " with disseminated pyrite 170 1039 B 38 X 6 58 352.08 OMS X T C A A T T T T T A C C C Nannofossil ooze 170 1039 B 38 X 6 80 352.3 MM X T A A T T T C C C T A C T "Diatomaceous ooze with nannofossils, " radiolarians and framboidal pyrite 170 1039 B 38 X 6 92 352.42 OMS X C A A T A A C C Siliceous nannofossil ooze subequal amounts of calcareous and siliceous microfossils 170 1039 B 39 X 1 40 354 MM X A C A C T T T T Vitric ash with nannofossils 170 1039 B 39 X 2 21 355.31 HT X T A A T+ C A C C C T T Siliceous calcareous ooze 170 1039 B 39 X 3 83 357.43 HT X A C T T A T C T C Vitric ash "Volcanic glass is clear, minor brown." 170 1039 B 39 X 4 82 358.92 MM X A A T A A C C Nannofossil ooze with diatoms 170 1039 B 39 X 6 100 362.1 MM X A A T A C A C C Nannofossil ooze with diatoms 170 1039 B 40 X 1 47 363.67 NL X T C A T T T T T T T A T A T C Ivory white nannofossil ooze with diatoms 170 1039 B 40 X 1 131 364.51 NL X T C A C T T C C A A C T T Gray to ivory nannofossil ooze with diatoms Flattened white clast in gray pebbly mud 170 1039 B 40 X 1 140 364.6 NL X T C A T C T T C C T C A T C Medium gray diatomaceous ooze Matrix of gray pebbly mud with nannofossils 170 1039 B 40 X 2 31 365.01 NL X T C A T C C C T A A T T C Gray diatomaceous ooze with nannofossils Matrix of granule gravel 170 1039 B 40 X 2 46 365.16 NL X T C A T C T C C T A T A C Dark green calcareous diatomaceous ooze Clast in gravel 170 1039 B 40 X 4 23 367.93 NL X C C T T T C A C C A T A T T T Reddish brown vitric ash Rock fragments are pumice with nannofossils and diatoms 170 1039 B 40 X 4 125 368.95 NL X T C A C C C A T A C T Light brown nannofossil ooze with diatoms 170 1039 B 40 X 6 27 370.97 NL X T C A T T T C C C C T A C Dark green calcareous diatomaceous ooze 170 1039 B 40 X 7 14 372.34 NL X C A T T T C A T T T T T Black lithic-vitric ash Volcanic glass is brown 170 1039 B 41 X 2 90 375.2 JRG X C A T C T A T Dark gray diatomaceous ooze with lithic ash 170 1039 B 41 X 2 109 375.39 NL X A C A C C C C C Light brown ooze with vitric-lithic ash Rock fragments are tephra. Pollen grains. 170 1039 B 41 X 2 120 375.5 NL X C A T T A T T T Light brown lithic ash Rock fragments are tephra. Glass is brown. 170 1039 B 41 X 3 140 377.2 NL X C A T T A T T T T T Medium gray lithic ash Rock fragments are tephra. 170 1039 B 41 X 4 24 377.54 JRG X C A T A Dark gray nannofossil ooze 170 1039 C 1 R 1 3 363.13 PV X A C T T T C A T C T Nannofossil ooze with diatoms 170 1039 C 1 R 1 32 363.42 PV X A T C T A T T Vitric Ash 170 1039 C 1 R 1 47 363.57 NL X T A C C A T T T T Black scoriaceous obsidian Black clast contaminated with ooze 170 1039 C 1 R 2 65 365.12 PV X A C T C T T T C A T C T T C Siliceous nannofossil ooze with lithic fragments 170 1039 C 1 R 2 90 365.37 OMS X A A T C Ash w/ sponge spicules and diatoms 170 1039 C 1 R 2 119 365.66 X C A T T T T C A T C T T Nannofossil ooze with diatoms 170 1039 C 1 R 3 69 366.66 OMS X C A C A A T C A Diatomaceous nannofossil ooze 170 1039 C 2 R 1 4 372.74 PV X A C T A T C A T C T T Nannofossil ooze with diatoms and ash 170 1039 C 2 R 1 13 372.83 PV X C A T A C C A T C T T Nannofossil ooze with ash 170 1039 C 2 R 2 26 373.96 PV X C A T T C C C T T T C A T T T T Diatomaceous ooze with ash 170 1039 C 3 R 1 60 382.9 PV X C T C A T C T C C C T T T Vitric ash with siliceous and calcareous microfossils 170 1039 C 3 R 2 122 384.85 PV X C A T C T T C A A T C Nannofossil ooze with diatoms 170 1039 C 4 R 1 19 392.09 HT X T C A C T C T T C T A T Calcareous diatom ooze with nannofossils and ash 170 1039 C 4 R 1 49 392.39 HT X T C A C C A T T A T C T Light brown calcareous ooze "Glass=clear, brown, green. This is the thick, " "with nannofossils, diatoms and ash" "laminated, light brown unit." 170 1039 C 5 R 1 35 401.85 OMS X T C A C A A C A Diatomaceous nannofossil ooze 170 1039 C 5 R 1 80 402.3 OMS X C A A A C A Diatomaceous nannofossil ooze wash 170 1039 C 6 R 2 74 413.44 OMS X C A A C C C C A Diatomaceous nannofossil ooze (more diatoms than in major lith.) 170 1039 C 6 R 3 60 414.8 OMS X C A A A A C A Diatomaceous nannofossil ooze 170 1039 C 7 R 1 32 421.12 OMS X A A C C C A Diatomaceous nannofossil ooze 170 1039 C 7 R 1 49 421.29 OMS X A A C C C A Diatomaceous nannofossil ooze 170 1039 C 7 R 2 30 422.1 NL X T A C A C ? C T T T "Hornfels with ash, nannofossils" Contact zone - baked sediment at gabbro contact. Original was crystal-vitric ash with nannofossils