These properties and ratios are used to determine the age of rocks by the method of K-Ar dating.

These pits were also used to steam foods by adding heated rocks or embers and then seaweed or corn husks ( or other coverings ) placed on top to steam fish and shellfish as well as vegetables ; potatoes would be added while still in-skin and corn while in-husk, this would later be referred to as a clambake by the colonists.

These stretched rocks can also pinch into lenses, known as boudins, after the French word for " sausage ", because of their visual similarity.

These are amongst the oldest rocks in Europe and some of the oldest in the world, having been formed in the Precambrian " super-eon ", up to 3 billion years ago.

These rocks are largely igneous in origin, mixed with metamorphosed marble, quartzite and mica schist and intruded by later basaltic dykes and granite magma.

These substances, major constituents of bauxite, are known as laterites and are formed by leeching from rocks of most of the ions other than aluminium and iron and subsequent hydrolysis of the remaining aluminium and iron.

These life forms are found in almost every location on the Earth where there is liquid water, including the interior of rocks within the planet.

These rocks may represent part of the oceanic crust and are believed to come from the Pacific Ocean realm.

These earliest designs were very simple in design, often mere " foot bags " of leather to protect the feet from rocks, debris, and cold.

These structurally fractured and faulted zones often occur in association with intrusive igneous rocks.

These non-volcanic rocks are exposed at the Profitis Ilias Mountains, Mesa Vouno, the Gavrillos ridge, Pyrgos, Monolithos, and the inner side of the caldera wall between Cape Plaka and Athinios.

These islands are the northern outpost of the Caledonian orogeny and there are outcrops of Lewisian, Dalriadan and Moine metamorphic rocks with similar histories to their equivalents on the Scottish mainland.

These blocks form a very complex mixture or mélange of rocks that include mainly serpentinite, basalt, dolerite and chert ( e. g. Bergougnan, 1975 ).

These are then free to take part in chemical reactions that can affect the surface further ( such as acid rain ) or are reformed into other rocks and soils.

These typically offer protection from relatively large and low velocity projectiles, such as rocks and bottles, as well as blows from fists or clubs.

These mats of roots are known as “ ropes ”, and travel down the tubes of dead tubeworms, and run through holes in rocks.

These were once sandstones and arenaceous rocks.

These minerals formed during the crystallization of igneous rocks.

These volcanic rocks are the youngest in the canyon.

These geomagnetic reversals are recorded in rocks ( see natural remanent magnetization ) and their signature can be seen as parallel linear magnetic anomaly stripes on the seafloor.

These cases are attached to rocks, trees or fences while resting or during their pupa stage, but are otherwise mobile.

" These states of being were " altogether explicable and indefinite " ( like brother and sister ), and it was the fruits of the union of these two entities that created "... the rocks and sands of the earth ; then trees, shrubbery, herbs and grass ; then animals ".

These rocks are shaped by the tides, the strength of the rocks, and the presence of the joints in the rocks.

These were the ones Keith sought out -- the loners, the ones who killed for the joy of it, like himself.

These were the last words he ever uttered.

These two were going to be easy pickins.

These performances were being staged at historical monuments throughout Europe.

These were Oneida Indians.

These conceptions and the manner in which they were transposed into poetry or engendered by poetic form are intrinsic to western life from the time of Aeschylus to that of Shakespeare.

These basic ideas concerning the nature of religion were, Adams believed, some of the major keys to the understanding of history and the movement of society.

These were his public academic activities, domi forisque, in the college and in the university.

These early experiments were evidently not altogether satisfying to Patchen.

These people were not talking much about it, but you, a foreigner, sensed their apprehension and disappointment.

These public efforts were rare because Mr. Rayburn normally did his counseling, persuading and educating long before an issue reached its test on the House floor.

These microfossils indicate the swamp was `` formed during the Lower Cretaceous period when dinosaurs were at their heyday and when the first flowering plants were just appearing.

These were heroes nine feet tall to him ''.

These little songs, however, were sweet nothings from the heart, tender memories of his childhood, little melodies that anyone could hum and that would make one want to weep.

These were the ships of His Majesty's Navy, herding the hulks of the East Indies merchants and the yachts and ketches of the loyalists.

These trumps were more touching than they were anything else, and seemed to imply that the nights were long, her children ungrateful, and her marriage bewilderingly threadbare.

These were selected carefully and included not only detailed clinical information but adequate pathology of value for research and educational purposes.

These amendments to the Vocational Rehabilitation Act were designed to help provide for more specialized rehabilitation facilities, for more sheltered and `` half-way '' workshops, for greater numbers of adequately trained personnel, for more comprehensive services to individuals ( particularly to the homebound and the blind ), and for other administrative improvements to increase the program's overall effectiveness.

These plans, like Du Pont's, contained provisions for passing the vote on Du Pont's General Motors shares on to the ultimate stockholders of Du Pont, Christiana, and Delaware, except that officers and directors of the three companies, their spouses, and other people living in their households, as well as other specified persons, were to be totally disenfranchised.

These curves were derived by an analysis of extensive skywave measurement data.

These were educated men, who, as Mr. Justice Holmes was fond of saying, formed their inductions out of experience under the burden of responsibility.

These boys acknowledged an introduction to anybody by gently pressing one of his hands in both of theirs, while they gazed, misty-eyed with care, into the eyes of the person they were meeting.