It is not definitely said that this substance was sandstone, but that it "resembled" friable sandstone.
"The Book of the Damned" by Charles Fort
The same field, well drained, is friable and porous, and uniform in texture.
"Farm drainage" by Henry Flagg French
The salt was from fifteen to twenty feet below the surface, and the overlying soil was soft and friable.
"Destruction and Reconstruction:" by Richard Taylor
A deep red colour can be got from the dull grey friable Lichen, common on old stone walls.
"Vegetable Dyes" by Ethel M. Mairet
A term on our northern coast for the small coves and bays formed by the waves on the more friable parts of cliffs.
"The Sailor's Word-Book" by William Henry Smyth
It opens up their pores to the air, and renders them more friable.
"Manures and the principles of manuring" by Charles Morton Aikman
The spores and capillitium are rather loose, friable, clay-color to pale-brown.
"The Mushroom, Edible and Otherwise" by M. E. Hard
It was dusk by the time he reached the spot, but he could detect gold in the friable rock which lined the cavity left by the uprooted sapling.
"They of the High Trails" by Hamlin Garland
Resin and pitch were even more faulty, because extremely brittle and friable.
"Little Masterpieces of Science:" by Various
Its rocks, all that I saw of them, are soft and friable.
"Under the Maples" by John Burroughs
Diameter Model CIM-18-SS centrifugal impact mill provides coarse to fine (400 mesh) grinding of friable materials into controlled particle sizes, as well as de-agglomerating and conditioning of dry solids.
The unit is suitable for size-reduction applications on products that are friable (breakable), and frozen food s, such as frozen egg yolks.
0Rota-Cone vacuum dryers are used for drying free-flowing, friable, or heat-sensitive solids to low moisture levels.
Along the canyon walls of Anza-Borrego's Arroyo Tapiado ("Mudwall Wash"), weathering and erosion acting on friable sedimentary rock have produced a strange kind of topography known by some geologists as pseudokarst.
This self-contained, high-volume bulk material packaging system processes up to 50,000 pounds/hour of combustible materials of varied physical characteristics, including: interlocking flakes and free-flowing, friable rods.
Gran-U-Lizers are specially designed for products that are friable (breakable), and frozen foods such as frozen egg yolks.
0 These units sample free-flowing or non-free-flowing powders, pellets, flakes, granules, grain, or friable materials.
The new high- torque , low-speed model SCC-15-SS screen classifying cutter reduces hard materials and friable products into controlled particle sizes.
Gently conveys friable and blended materials.
0MPD tumbling drums can be designed for continuous or batch processing where gentle mixing of friable products, such as trail mixes and seasoning mixes, is required.