roaches gritの例文
- The combined Roaches Grit and Ashover Grit are amongst the most widespread sandstone period.
- The summit tor is formed from the Chatsworth Grit and the lower slopes from the Roaches Grit.
- The next sub-stage of the Namurian succession is the Marsdenian and it is to this that the Chatsworth Grit, Huddersfield White Rock, Holcombe Brook Grit, Greta Grits, Roaches Grit, Ashover Grit, Gorpley Grit, Pule Hill Grit, Fletcher Bank Grit, Brooksbottom Grit, Five Clouds Sandstones and Sheen Sandstones are assigned.