Composition Sample (Calcium Sample Collected Size Wentworth Texture carbonate, Shell Depositional Number From Color (mm) Classification (Roundness) Sorting silica, or both) Material Environment Both (Silica Ft. Pierce, ~0.2 to 5 Moderately Grains with 1 East Coast of mm, Subangular Yes Tan Sand to well calcium Beach Sediment Florida, mostly to rounded (abundant) sorted carbonate shell Central FL 0.5 mm material) Both (Silica Ft. Pierce, Rounded to Grains with 2 East Coast of 0.25 to Yes Tan Sand Well Well Sorted calcium Beach (Dune) Sediment Florida, 0.5 mm (abundant) Rounded carbonate shell Central FL material) 3 Gray and ~0.1 to 2 Subangular Calcium Florida Keys Sand Well sorted Yes (some) Sediment white mm to rounded carbonate Various ~0.2 to Yes colors, 20 mm, (moderate) 4 Pebbles Subangular Poorly Calcium Beach (High Florida Keys mostly white mostly abundant Sediment (gravel) to rounded sorted carbonate energy swash) with reds 5 coral and grays mm fragments Pensacola, 5 West of 0.25 to 1 Subangular Gray-white Sand Well sorted Silica (Quartz) No Sediment Florida, mm to rounded Panhandle FL ~0.1 to 1 Both (Silica Ft. De Soto, Gray-white mm, Grains with 6 West Coast of with little mostly Sand Well rounded Well sorted calcium Yes (little) Beach Sediment Florida, black ~0.25 carbonate shell Central FL specks mm material)
Sample Number Sample Collected From Color Size (mm) Wentworth Classification Texture (Roundness) Sorting Composition (Calcium carbonate, silica, or both) Shell Material Depositional Environment 1 Sediment Ft. Pierce, East Coast of Florida, Central FL Tan ~0.2 to 5 mm, mostly 0.5 mm Sand Subangular to rounded Moderately to well sorted Both (Silica Grains with calcium carbonate shell material) Yes (abundant) Beach 2 Sediment Ft. Pierce, East Coast of Florida, Central FL Tan 0.25 to 0.5 mm Sand Rounded to Well Rounded Well Sorted Both (Silica Grains with calcium carbonate shell material) Yes (abundant) Beach (Dune) 3 Sediment Florida Keys Gray and white ~0.1 to 2 mm Sand Subangular to rounded Well sorted Calcium carbonate Yes (some) 4 Sediment Florida Keys Various colors, mostly white with reds and grays ~0.2 to 20 mm, mostly 5 mm Pebbles (gravel) Subangular to rounded Poorly sorted Calcium carbonate Yes (moderate) abundant coral fragments Beach (High energy swash) 5 Sediment Pensacola, West of Florida, Panhandle FL Gray-white 0.25 to 1 mm Sand Subangular to rounded Well sorted Silica (Quartz) No 6 Sediment Ft. De Soto, West Coast of Florida, Central FL Gray-white with little black specks ~0.1 to 1 mm, mostly ~0.25 mm Sand Well rounded Well sorted Both (Silica Grains with calcium carbonate shell material) Yes (little) Beach
Sediments%20Lab%20Activity-Teacher%20Packet.docx