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Updated: May 27, 2025
So we walked beyond the pines, down onto a long interminable flat land of marl marshes and mangrove trees so like that in which Charlie Webster had shot the snake and the wild duck that only Charlie could have seen any difference. "Now," said the "King," "do you see a sort of river there, overgrown with mangroves and palmettos?"
The term "faluns" is given provincially by French agriculturists to shelly sand and marl spread over the land in Touraine, just as similar shelly deposits were formerly much used in Suffolk to fertilise the soil, before the coprolitic or phosphatic nodules came into use.
When the thin cover of red sand and marl is removed, the white salt is exposed, and is found to be so free from all stain, or admixture of other material, excepting sometimes minute filaments of gypsum, that it is pounded at once for use, without any cleansing or recrystallising process.
This clay appears to lie immediately over the mica-slate, and under the calcareous breccia of the tertiary strata. This tertiary stratum is composed of alternate beds of calcareous conglomerate, compact limestone, marl, and clay, containing selenite and lamellar gypsum.
No one may say how much this power to influence soil texture is increased, but it is marked, and when improved physical condition is the chief reason for applying lime, there is no question that fresh burned material is to be preferred to pulverized stone or marl, or any other carbonate form.
The panes of glass in the lead-encased frames have been frosted over, the marl of the thatched chimney is crumbling away, and the whole of the roof is of a beautiful green, like velvet, due to the luxuriantly spreading moss. It is thirty years since these three houses were inhabited.
Its principal productions are fruits and early vegetables, which are raised in extensive "market gardens," and shipped in large quantities to Northern cities. The fertilizing minerals gypsum, marl, and greensand abound, and their judicious use readily restores the lands when exhausted by improvident cultivation.
The average breadth of this tract is about twenty miles; and it is for the most part composed of nearly horizontal strata of sand, sandstone, calcareous marl, clay, and limestone, none of which observe a fixed and invariable order of superposition.
They may have owed their flexibility in part to the fluid matter which they contained in their minute pores, as before described, and in part to the permeation of sea-water while they were yet submerged. Strata of chert, grit, and marl, near St. At the western extremity of the Pyrenees, great curvatures of the strata are seen in the sea-cliffs, where the rocks consist of marl, grit, and chert.
At one part we have breccia of altered marl or slate in quartz, and various amygdaloids. It is curious to observe the different forms which silica assumes.
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