 | William Buckland - 1824 - 378 էջ
...strata of chalk and oolite, is sufficient for the effects produced ; but in other cases, more especially in mountain districts, (where the greatest disturbances...subsidences which have affected them, have contributed lo produce valleys of various kinds on the surface of the earth, before it was submitted to that last... | |
 | Granville Penn - 1825 - 440 էջ
...in mass is sufficient for the effects " produced. But, in other cases, more especially in moun" tain districts, (where the greatest disturbances appear..." which the strata were deposited, the subsequent con" vulsions to which they have been exposed, and the " fractures, elevations, and subsidences which... | |
 | George Fairholme - 1837 - 490 էջ
...strata of chalk or oolite, is sufficient for the effect produced. But in other cases, more especially in mountain districts, where the greatest disturbances...convulsions to which they have been exposed, and the fracture, elevations, and subsidences, which have affected them, have contributed to produce valleys... | |
| |
In primitive and mountainous districts especially, 'the original form in which the strata were deposited, the subsequent convulsions to which they have been exposed, and the fractures, elevations and subsidences which have affected them, have contributed... 