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TimestampNamesLocationLatitudeLongitudeAppearanceShapeSmoothnessReaction with Acid - OriginGrain sizeBiogenic components?Sand typeMotion of Water / WindAge, Hardness, or Source (Origin relative current location)OriginEmail AddressSummarySummaryMotion of waves, wind and/or currentPercent biogenic origin - reaction with acidSummary Paragraph
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3/11/2015 21:01:13Juliana, Gloria, KarrieTwo Harbors, MN47.02527-91.660942purple (garnet, metamorphic?)disk shapedsub-rounded2.0 mm - sand, 3.0 mm - gravelnonepebble, cobble, boulderold, softer rock, and/or of remote originMetamorphic
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3/11/2015 21:07:29Daniels, Debbie, Tove Mouth of Big Iron River, Big Bay, MI46.67464885.965579clear (quartz), olive green (olivene, volcanic?), brick red (iron oxide, volcanic?), white, gray (quartz, granite)sphericalangular0.5 mm - sandmedium sandSlow Current / Weak Wavesyoung, resistant rock, and/or of local originMetamorphic
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3/11/2015 21:10:53Brent/Dennis/Mara/LilachMyrtle Beach33.70116-78.868288clear (quartz)sphericalwell-roundedsmall bubbles (carbonate based) - biogenous0.25 mm - sandshells or shell-fragmentscoarse sandSlow Current / Weak Wavesold, softer rock, and/or of remote originBiogenic
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3/11/2015 21:13:24Daniels, Debbie, Tove Cocoa Beach, FL28.319414-80.60701clear (quartz), glassy black (obsidian, basalt, volcanic?)sphericalangularsmall bubbles (carbonate based) - biogenous0.25 mm - sandshells or shell-fragmentsfine sandFast Current / Stong Wavesold, softer rock, and/or of remote originPlutonic (granite)
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3/11/2015 21:14:34Karrie, Juliana, GloriaMaui, HI20.881957-156.68764clear (quartz), glassy black (obsidian, basalt, volcanic?), white, gray (quartz, granite)disk shapedrounded0.5 mm - sandfine sandSlow Current / Weak Wavesold, softer rock, and/or of remote originPlutonic (granite)
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3/11/2015 21:14:40Brent/Dennis/Mara/LilachDuluth, MN46.787104-92.093814brick red (iron oxide, volcanic?)sphericalsub-roundedsmall bubbles (carbonate based) - biogenous0.5 mm - sandshells or shell-fragmentsmedium sandSlow Current / Weak Wavesyoung, resistant rock, and/or of local originMetamorphic
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3/11/2015 21:16:00Daniels, Debbie, Tove So. Padre Is, TX26.112572-97.168816clear (quartz), glassy black (obsidian, basalt, volcanic?), brick red (iron oxide, volcanic?)cigar-shapedsub-roundedno reaction (silica based) - terrigenous0.25 mm - sandshells or shell-fragmentsvery find sandFast Current / Stong Wavesold, softer rock, and/or of remote originPlutonic (granite)
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3/11/2015 21:16:21StephenCabo San Lucas22.885097-109.911586clear (quartz), white, gray (quartz, granite)sphericalangularno reaction (silica based) - terrigenous0.25 mm - sand, 0.5 mm - sand, 1.0 mm - sand, 2.0 mm - sand, 3.0 mm - gravel, 5.0 mm - gravel, 7.0 mm - gravel, 10 mm - cobblesvery coarse sandFast Current / Stong Wavesyoung, resistant rock, and/or of local originPlutonic (granite)
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3/11/2015 21:16:43Brent/Dennis/Mara/LilachPlaya del carmen20.625991-87.070893white, gray (quartz, granite)disk shapedsub-roundedno reaction (silica based) - terrigenous0.25 mm - sandshells or shell-fragmentsvery find sandFast Current / Stong Wavesold, softer rock, and/or of remote originVolcanic
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3/11/2015 21:18:18DOUG, ANDREW TERESABig Bay, MI Lake superior46.8389.57clear (quartz), glassy black (obsidian, basalt, volcanic?), brick red (iron oxide, volcanic?)sphericalsu-angualr0.25 mm - sandfine sandSlow Current / Weak Wavesold, softer rock, and/or of remote originMetamorphic
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3/11/2015 21:19:49Brent/Dennis/Mara/LilachBarbados13.271932-59.565486white, gray (quartz, granite)sphericalroundedsmall bubbles (carbonate based) - biogenous0.25 mm - sandshells or shell-fragmentsfine sandFast Current / Stong Wavesold, softer rock, and/or of remote originVolcanic
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3/11/2015 21:23:07Lourdes Ramos and Alicia ReyesPawley's Island S.C.33°25'45.9"79°07'14.8"clear (quartz), glassy black (obsidian, basalt, volcanic?)sub-roundedsmall bubbles (carbonate based) - biogenous0.25 mm - sandshells or shell-fragmentsfine sandFast Current / Stong Wavesold, softer rock, and/or of remote originBiogenic
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3/11/2015 21:23:11ANDREW , DOUG, TERESAPawley's Island SC33.4279.12clear (quartz), white, gray (quartz, granite)cigar-shapedangular0.25 mm - sandfine sandFast Current / Stong Wavesyoung, resistant rock, and/or of local originVolcanic
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3/11/2015 21:25:37Arbi, Jennifer, Yina, ChrisValley of Fire, NV36.42-114.51brick red (iron oxide, volcanic?)sphericalroundedno reaction (silica based) - terrigenous0.25 mm - sandnonevery find sandFast Current / Stong Wavesyoung, resistant rock, and/or of local originVolcanic
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3/11/2015 21:26:03DOUG, ANDREW TERESACancun mexico21.12-86.82white, gray (quartz, granite)cigar-shapedvery angular0.5 mm - sandshells or shell-fragmentscoarse sandFast Current / Stong Wavesyoung, resistant rock, and/or of local originBiogenic
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3/11/2015 21:27:07Akiko & AllisonKiawaikapu Beach, HI20.703887-156.446394glassy black, Olive green, quartzcigar-shapedsub-roundedsmall bubbles (carbonate based) - biogenous0.25 mm - sand, 0.5 mm - sandshells or shell-fragmentsvery find sandFast Current / Stong Wavesold, softer rock, and/or of remote originBiogenic
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3/11/2015 21:29:31Arbi, Jennifer, Yina, ChrisHorseshoe Harbor, MI47.47-87.82glassy black (obsidian, basalt, volcanic?)sphericalroundedno reaction (silica based) - terrigenous1.0 mm - sandnonepebble, cobble, boulderFast Current / Stong Wavesyoung, resistant rock, and/or of local originPlutonic (granite)
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3/11/2015 21:33:22Arbi, Jennifer, Yina, ChrisPompano Beach, FL26.24-80.08white, gray (quartz, granite)disk shapedsu-angualrsmall bubbles (carbonate based) - biogenousshells or shell-fragmentsfine sandSlow Current / Weak Wavesold, softer rock, and/or of remote originBiogenic
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