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OCR: MSN 14P - Primary Lithology Enter percentage of all SMEAR SLIDE CONSTITUENTS present. Click on constituent name for HELP. calc. nannos plant material FeMn micronod. micas forams RADIOLARIA Ektiles diatoms Photograph Occurrences Clase Radiolarian skeletons fof opaline silica) are usually single radiolaria or concentric spheres with radiating spines, or conical forms, of ring-like, or 'spongy' forms with or without concentric ag. mat. sponge spic. structure. There are numerous other shapes as well. Shell fragments can be recognized by their round pores separated Hciritat silicoflag. by bars that are not hollow as they are in the smaller, simpler skeletons of silicoflagellates. Pores are much larger than ichthyoliths those in diatoms. Largest dimension is usually 40-250 microns [with some robust, coarse-pored forms to 2 mm.). pteropods ostracoda Save / H Figure 4. During data entry, the user may display textual information that describes sediment components