Northwest quarry Argillite stone These are water feature bubbler / fountain Trout Creek boulders, a hugely popular building stone in the early 2000's and through the building boom, it fell victim to the hard times afterwards. The quarry had limited production for years but recently is back in good production. With new ownership and updated equipment this hugely popular stone is available in many cuts and sizes. The new run includes amazing fountain boulders, unlike anything ever seen before. Trout Creek Stone is a rock with a potpourri colors, brought out in a beautiful unpredictable earthen tones, the colors are primarily browns, tans, hints of green, hints of purple, hints of orange.