Bull Run quarry -near Conklin actinolite-tremolite, apophyllite, calcite, chabazite, chlorapatite, datolite, gyrolite, laumontite, pectolite, prehnite, sphalerite, sphene
Chantilly quarry -near Chantilly apatite, apophyllite, augite, chabazite, prehnite, stilbite
Goose Creek quarry (Arlington quarry) -near Belmont Station
augite, apophyllite, datolite, diopside, goosecreekite, homblende, laumontite, loudounite, thomsonite

SHALE PROSPECT CLAY  EXP PROSPECT
SHALE PROSPECT CLAY  EXP PROSPECT
SHALE PROSPECT CLAY  EXP PROSPECT
GOOSE CREEK MINE COPPER  PAST PRODUCER
UNNAMED PROSPECT COPPER  EXP PROSPECT
FURNACE MOUNTAIN MINE IRON  PAST PRODUCER
UNNAMED PROSPECT IRON  EXP PROSPECT
BULL RUN STONE CO. STONE MISCELLANEOUS CB PRODUCER
LOUDOUN QUARRY,DIV OF CHANT STONE MISCELLANEOUS CB PRODUCER
LEESBURG PLANT STONE GRANITE CB PRODUCER
LEESBURG QUARRY STONE MISCELLANEOUS CB PRODUCER
BULL RUN STONE CO. CRUSHED STONE QY STONE  PAST PRODUCER
LOUDOUN QUARRIES, INC. QUARRY STONE  PAST PRODUCER
CHANTILLY CRUSHED STONE INC. STONE BASALT CB PRODUCER
WHITE QUARRY STONE LIMESTONE CB PAST PRODUCER
LEESBURG LIMESTONE CO., INC QUARRY STONE LIMESTONE CB PAST PRODUCER
QUARRY STONE LIMESTONE CB PAST PRODUCER
QUARRY STONE MISCELLANEOUS CB PAST PRODUCER
ARLINGTON STONE CO. QUARRY STONE MISCELLANEOUS CB PAST PRODUCER
2 STONE MISCELLANEOUS CB PAST PRODUCER
QUARRY STONE QUARTZITE CB PAST PRODUCER
HUSTED QUARRY STONE MISCELLANEOUS CB PAST PRODUCER
LOUDON MARBLE CO. QUARRY STONE MARBLE DM PAST PRODUCER
QUARRY STONE MISCELLANEOUS CB PAST PRODUCER
GOOSE CREEK LIME CO. QUARRY STONE LIMESTONE CB PAST PRODUCER
GNEISS QUARRY STONE GRANITE CB PAST PRODUCER
GRAYWACKE QUARRY STONE SANDSTONE CB PAST PRODUCER
ALASKITE QUARRY STONE MISCELLANEOUS CB PAST PRODUCER