IV.—Pholas-borings, Denudation, and Deposition in S.E. Devon

Farmer's lung in Devon.

Farmer's lung is a cause of disability to agricultural workers in Devon and there is no evidence that the incidence is falling. A survey of known cases was made to assess the degree of disability in relation to the clinical history, the presence of farmer's lung precipitins, tests of lung function, and radiographic changes. Information was obtained about 200 patients diagnosed between 1939 and ...

Microfacies, geochemical characters and possible mechanism of rhythmic deposition of the Pabdeh Formation in SE Ilam (SW Iran)

Rhythmical alternations between limestone and marls characterize the Pabdeh Formation, southwestern Iran. Three intervals of these rhythmites were studied using sedimentary, petrography and geochemical parameters analysis, to unravel the possible mechanisms responsible for the origin of these rhythmites. The microfacies analysis reflects calm deep-water sedimentation that were interrupted by sp...

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Multiple and recurrent inflammatory fibroid polyps in a Devon family ('Devon polyposis syndrome'): an update.

Inflammatory fibroid polyps are uncommon but well documented as solitary polyps occurring typically in the stomach or ileum. A Devon family has previously been reported in which a female in three successive generations has presented with multiple polyps requiring repeated surgery over a number of years. A further two female family members, both siblings from the 3rd generation, who required sur...

The influence of piedmont deposition on the time scale of mountain-belt denudation

[1] The linear correlation between modern sediment yields and mean drainage-basin elevation suggests that mountainbelt topography is denuded exponentially with a time scale of approximately 50 Myr following the cessation of active uplift. Some Paleozoic orogens, however, still exist as highelevation terrain. Here I explore this paradox within the broader question of what variables control the d...