16. Concretion: Fossils are frequently found in the middle of concretions (a nodule of well-cemented sediment in the middle of a relatively uncemented sedimentary rock). Indeed, the critter probably ...
"On the other hand, the concretion is responsible for slowing down the oxidation process, preserving the sword in its entirety. Otherwise, the iron would have rusted and disintegrated in the water." ...
The rock is performing a delicate balancing act. “The ‘mushroom’ is actually a geologic feature known as a concretion,” Kalucha explained. “Concretions are solid masses within a rock ...
But they are indeed earthly sedimentary rocks, crafted from eons of erosion and concretion in which mineral cement binds with grains of sand and stone. These natural curiosities are best viewed at ...
Staniforth gives a low whistle. “Hello my friend. What do we have here?” A “concretion”, apparently. Centuries under the ocean have welded ship timber, iron bowl and ceramic into an ...
No two among them are the same. Two have been treated, using saws and wire brushes, to remove the stony concretion around them. Brown, who examined photographs of the cannons, has looked at their ...
Ubly Elementary School has found a creative way to encourage students to read more, by installing a book vending machine, ...
One of our donkeys has recovered well following a procedure to remove a large mineral mass that threatened to completely ...
Over the last four decades computers and the internet have become an intrinsic part of all our lives, but this speed of development has left related philosophical enquiry behind. Featuring the work of ...
These are conceptual moves Val Plumwood calls hyperseparation. Or, the concretion of a licence to kill, a permit of abuse. One chapter, Snuff, considers death sentences – literally, subjects ...