
sedimentary
Fossiliferous limestone
Bioclastic carbonate rock, chiefly calcite (CaCO₃)
AI-generated identification · may be incorrectPale cream, fine- to medium-grained, dull to weakly pearly; visible shell or coral-like fossil fragments and weathered cavities. Calcite hardness is 3, typically no cleavage visible in a massive rock, and specific gravity is about 2.6–2.7;…
Identified More sedimentary →
Explore Fossiliferous limestone in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Pale cream, fine- to medium-grained, dull to weakly pearly; visible shell or coral-like fossil fragments and weathered cavities. Calcite hardness is 3, typically no cleavage visible in a massive rock, and specific gravity is about 2.6–2.7; it should fizz briskly with dilute hydrochloric acid or vinegar (freshly scratched surface).
Formation & geological history
Forms when shells, corals, or other carbonate remains accumulate on a shallow marine seafloor and become lithified. The image cannot establish a geological age; the Antalya/Alanya region commonly exposes Mesozoic–Cenozoic marine carbonate formations.
Uses & applications
Used as crushed aggregate, cement and lime feedstock, building stone, and occasionally as a decorative or fossil-collecting specimen. Value is usually low unless fossils are unusually complete or attractive.
Geological facts
The rounded shape and smooth surface indicate prolonged stream, beach, or abrasion weathering rather than a fresh bedrock fragment.
Field identification & locations
Look for identifiable shell sections, porous carbonate texture, and acid effervescence; avoid assuming every circular mark is a fossil because weathering can mimic fossils. Common in Mediterranean carbonate terrains, including southern Türkiye.
More like this
Other sedimentary specimens
Fossiliferous Sedimentary Rock
Sedimentary limestone with invertebrate fossil imprint
fossil
Sandstone or Siltstone
Arenite (if sandstone)
Sedimentary
Quartz pebble
Silicon dioxide (SiO2)
sedimentary
Generic Pebble / Rock Fragment
Lithic fragment / Weathered rock
sedimentary
Sedimentary Sandstone
Arenite (Sedimentary Rock)
sedimentary
Shale (or Mudstone/Siltstone)
Sedimentary Mudrock (SiO2, Al2O3 base with clay minerals)
sedimentary