. . . "The Cockeysville Marble is a Precambrian, Cambrian, or Ordovician marble formation in Baltimore, Carroll, Harford and Howard Counties, Maryland. It is described as a predominantly metadolomite, calc-schist, and calcite marble, with calc-gneiss and calc-silicate marble being widespread but minor. The extent of this formation was originally mapped in 1892 within Baltimore County."@en . . . "Piedmont of Maryland"@en . . . . "about 750 feet"@en . . . . . . . . . . . . . . "Glenarm Supergroup"@en . "Precambrian, Cambrian, or Ordovician"@en . "Cockeysville Marble"@en . . . . . . . . . . . "3603"^^ . "Polished slab of the marble from Cockeysville. Width of slab inside black border is approximately 10.7 cm."@en . . . . . . "metamorphic"@en . . . . "Cockeysville Marble"@en . "1088837423"^^ . "The Cockeysville Marble is a Precambrian, Cambrian, or Ordovician marble formation in Baltimore, Carroll, Harford and Howard Counties, Maryland. It is described as a predominantly metadolomite, calc-schist, and calcite marble, with calc-gneiss and calc-silicate marble being widespread but minor. The extent of this formation was originally mapped in 1892 within Baltimore County."@en . . "Williams and Darton, 1892"@en . . . . "50075831"^^ . . . . . . . . . . .