The rarest type of Australian opal is " pipe " opal, closely related to boulder opal, which forms in sandstone with some iron-ore content, usually as fossilized tree roots.

The early roots of Australian country are related to folk traditions of Ireland, England, Scotland and many diverse nations.

The technique has its roots in the establishment of the Australian Royal Flying Doctor Service, which was established in 1928 to bring doctors to patients and patients to hospitals from the remote outback.

New Zealand Sign Language has its roots in British Sign Language ( BSL ), and may be technically considered a dialect of British, Australian and New Zealand Sign Language ( BANZSL ).

with a Christian viewpoint: Zion referring to the spiritual kingdom of God ), Trevor Hall with song " To Zion ", and Australian roots reggae outfit Vindan and The Zion Band, also Alcyon Massive ( a reggae / psychedelic band in Southern Oregon ) wrote a song titled " Zion ".

In some places, such as Australian bushland, some species of morning glories ( bindweed ) develop thick roots and tend to grow in dense thickets.

* Cold Water ( album ), 2003 debut album from Australian blues and roots singer Mia Dyson

It is water-hungry, and like many Australian trees should neither be planted in urban environments where its roots may damage piping, nor where water is scarce.

Australian lungfish are commonly found in deep pools of depths between 3 – 10 meters and live in small groups under submerged logs, in dense banks of aquatic macrophytes, or in underwater caves formed by the removal of substrate under tree roots on river banks.

New Zealand Sign Language has its roots in British Sign Language ( BSL ), and may be technically considered a dialect of British, Australian and New Zealand Sign Language ( BANZSL ).

Their music can be described as rhythm-driven Australian roots music.

It features a large selection of blues and roots performers, both international and Australian.

Walker is also the author of Stranded: The Secret History of Australian Independent Music 1977-1991 ( 1996 ) and " Football Life " 1998, a personal history of grass roots Australian Rules culture.

Some very successful sporting players can trace their roots to the local district, including Australian Rugby League representative players and brothers Andrew and Matthew Johns.

The NTP traces its roots back to the South Australian Mounted Police from 1870 when Inspector Paul Foelsche and six other police officers arrived in the Territory.

Solace is the second album from Australian roots musician Xavier Rudd, released in Australia on 28 March 2004 and which debuted in the top twenty of the ARIA album chart on 5 April 2004.

Kevin Doyle ( 1984-) the legendary Australian strait cabaret singer has roots in Moynalty.

The roots of FPV can be traced back to 1991, when the english automotive engineering company Tickford began a collaboration with Ford Australia to produce high-performance variants of the Australian Falcon range.

The federal constitution was the product of nearly ten years of discussion, " with roots in both the British legal tradition and Australian democracy ".

The roots of the JORN can be traced back to post World War II experiments in the United States and a series of Australian experiments beginning in the early 1950s.

Many of the casuarina trees ( Australian Pine ) that lined the main road were replaced, due to roots potentially damaging nearby houses or falling during storms.

The roots of this equation are just the ordinates of the intersections of the graph of B with a straight line of unit slope through Af in the b-plane ( the plane of the graph of b ).

`` If teeth are moved too rapidly, serious injury can be done to their roots as well as to the surrounding bone holding them in place '', explains Dr. Brodie.

In other countries where cereal grains are not among the principal crops of a region, starchy tubers or roots are processed for starch.

Algae lack the various structures that characterize land plants, such as phyllids ( leaves ) and rhizoids in nonvascular plants, or leaves, roots, and other organs that are found in tracheophytes ( vascular plants ).

Carrot, celery and parsley are true biennials that are usually grown as annual crops for their edible roots, petioles and leaves, respectively.

It includes perennial herbaceous plants which are glabrous and have short rhizomes with fibrous roots or are rhizomatous with root tubers.

* The quadratic surds ( irrational roots of a quadratic polynomial with integer coefficients,, and ) are algebraic numbers.

If the quadratic polynomial is monic then the roots are quadratic integers.

** The numbers and are algebraic since they are roots of polynomials and, respectively.

All numbers which can be obtained from the integers using a finite number of integer additions, subtractions, multiplications, divisions, and taking nth roots ( where n is a positive integer ) are algebraic.

Examples of algebraic integers are,, and ( Note, therefore, that the algebraic integers constitute a proper superset of the integers, as the latter are the roots of monic polynomials for all

Ailanthus are capable of forming thick blankets of roots and heavy shade to the extent that native species are prevented from being able to reclaim an area that has been logged or deforested, as well as areas that have been heavily developed.

Neither the crown ( fruit, mescal button ) of the Peyote cactus nor the roots of the plant Mimosa hostilis nor Psilocybe mushrooms themselves are included in Schedule 1, but only their respective principles, mescaline, DMT and psilocin.

Although modern analytical chemistry is dominated by sophisticated instrumentation, the roots of analytical chemistry and some of the principles used in modern instruments are from traditional techniques many of which are still used today.

The word aegis is identified with protection by a strong force with its roots in Greek mythology and adopted by the Romans ; there are parallels in Norse mythology and in Egyptian mythology as well, where the Greek word aegis is applied by extension.

Today, Aleut weavers continue to produce woven grass pieces of a remarkable cloth-like texture, works of modern art with roots in ancient tradition. Birch bark, puffin feathers, and baleen are also commonly used by the Aleuts in basketry.

Still extant echoes of these celebrations are found in the mid-autumn Thanksgiving holiday of the United States and Canada, and the Jewish Sukkot holiday with its roots as a full-moon harvest festival of " tabernacles " ( huts wherein the harvest was processed and which later gained religious significance ).

Being a monarchical state, with its roots invested in Colonial England, black letter law is that which is a term used to describe basic principles of law that are accepted by the majority of judges in most provinces and territories.

The statues of Apollo were thought to incarnate his living presence, and these representations of illusive imaginative reality had deep roots in the Minoan period, and in the beliefs of the first Greek speaking people who entered the region during the bronze-age.

Conservative Judaism has its roots in the school of thought known as Positive-Historical Judaism, developed in 1850s Germany as a reaction to the more liberal religious positions taken by Reform Judaism.

Christianity is characterized by its claim to universality, which marks a significant break from current Jewish identity and thought, but has its roots in Hellenistic Judaism.

The Halloween holiday is commonly thought to have pagan roots, even though the etymology of the word is Christian.

The etymology of Rus and its derivatives are debated, and other schools of thought connect the name with Slavic or Iranic roots.

I thought my horse was about to die, and would have sprung from his back had a minute more elapsed ; but as that instant all the shrubs and trees began to move from their very roots, the ground rose and fell in successive furrows, like the ruffled water of a lake, and I became bewildered in my ideas, as I too plainly discovered, that all this awful commotion was the result of an earthquake.

Its name derives from the Greek roots ὀξύς ( oxys ) (" acid ", literally " sharp ", referring to the sour taste of acids ) and-γόνος (- gοnos ) (" producer ", literally " begetter "), because at the time of naming, it was mistakenly thought that all acids required oxygen in their composition.

* Michel Foucault: Critiqued the modern conception of power on the basis of the prison complex and other prohibitive institutions, such as those that designate sexuality, madness and knowledge as the roots of their infrastructure, a critique which then demonstrated that subjection is the power formation of subjects in any linguistic forum and that revolution cannot just be thought as the reversal of power between classes.

The Christian feast of Maundy Thursday finds its roots in the Jewish feast of Passover, the night on which the Last Supper is generally thought to have occurred.

The word scorpion is thought to have originated in Middle English between 1175 and 1225 AD from Old French, or from Italian, both derived from the Latin word, which in turn has its roots in the Greek word –.

Light response was even found in roots, which were thought not to be particularly sensitive to light.

" In another essay in Writing and Difference entitled " Violence and Metaphysics: An Essay on the Thought of Emmanuel Levinas ", the roots of another major theme in Derrida's thought emerges: the Other as opposed to the Same " Deconstructive analysis deprives the present of its prestige and exposes it to something tout autre, " wholly other ," beyond what is foreseeable from the present, beyond the horizon of the " same ".

The word ophthalmology comes from the Greek roots ophthalmos meaning eye and logos meaning word, thought, or discourse ; ophthalmology literally means " the science of eyes ".

Later Akan groups such as the Ashanti federation and Fante states are thought to possibly have roots in the original Bono settlement at Bono manso.

Foucault roots this argument in the rediscovery of Kant, though his thought is significantly influenced by Nietzsche-that philosopher declaring the " death of God " in the 19th century, and the anti-humanists proposing the " death of Man " in the 20th.

Sheets-Johnstone compares Rank's thought to that of three major Western philosophers — René Descartes, Martin Heidegger and Jacques Derrida: " Because immortality ideologies were originally recognized and in fact so named by Rank, a close examination of his writings on the subject is not only apposite but is itself philosophically rewarding ... Rank was a Freudian dissident who, in introducing the concept of immortality ideologies, traced out historical and psychological roots of ' soul-belief ' ( Seelenglaube )... chapter points up the extraordinary cogency of Rank's distinction between the rational and the irrational to the question of the human need for immortality ideologies " ( Sheets-Johnstone, 2008, p. 64 ).

The names of these sons are thought to have significance related to Semitic roots.

The flower has long been associated with human manner, as one man cleverly stated: “ Nature sports as much with the colours of this little flower as she does with the features of the human countenance .” The pansy ’ s particular connection to human thought and emotion is mirrored in one Dr. Evan ’ s poems, where he captures the whimsical, yet deep emotional roots of the pansy ’ s symbolism: “ Pied Pansy ,-once a vestal fair / In Cerestrain ,-now droops-/ Stained by the bolt of love her purple breast ,/ And ‘ freaked with jet ’ her party-colored vest ”.

As envisioned by Husserl, phenomenology is a method of philosophical inquiry that rejects the rationalist bias that has dominated Western thought since Plato in favor of a method of reflective attentiveness that discloses the individual ’ s “ lived experience .” Loosely rooted in an epistemological device, with Sceptic roots, called epoché, Husserl ’ s method entails the suspension of judgment while relying on the intuitive grasp of knowledge, free of presuppositions and intellectualizing.

Opera, in its modern European form, had its roots in attempts to recreate the combination of singing and dancing with theatre thought to be the Greek norm.

The further derivation is less certain ; according to most sources, the word is thought to be a corruption of Middle Irish luchrupán, from the Old Irish, a compound of the roots lú ( small ) and corp ( body ).

The roots of the word shame are thought to derive from an older word meaning " to cover "; as such, covering oneself, literally or figuratively, is a natural expression of shame.

Mannheim posits the " danger of relativism ", in which historical process yields cultural product ; " if thought to be relative to a historical period, it may be unavailable to a historical period " In this period he turned from philosophy to sociology, inquiring into the roots of culture.

Although the Mattachine Society began as a provocative organization with roots in its founders ' communist activism, leadership of the Mattachine thought it more prudent and productive to convince heterosexual society at large that gays were not different from themselves, rather than agitate for change.