Ajịrịja - Ọ nkume roundish shapes

Ajịrịja - ya nkume roundish udi ọ bụla size na a na-agba ọsọ na-na site ndị ọzọ. Ha na-nwetara dị ka a N'ihi ya nke ihe nke mmiri na ike ma ọ bụ esemokwu ike. N'oge anyị a, anyị mụtara na-emepụta nkume a synthetically iji pụrụ iche na ngwá, ụdị ụfọdụ dị ka nso eke ọnọdụ. Otú ọ dị, nke a na-ewe budata obere oge.

Iji Nlụpụta pebbles iji dị iche iche ịnweta umu - gypsum, marble, quartzite, konkiri na ndị ọzọ. Izu na bụ softer na ya Ọdịdị, ọ bụ mfe echepụta na doused mma. Ọgụgụ nkume na-adaberekwa na-amalite ihe onwunwe mee: olu nke Oskola kpụrụ nkume nke efere - ewepụghị. Ajịrịja nwetara site sịntetik risịrị, pụrụ iche na ukwuu ekele, dị ka hụrụ adịkarịghị na ọdịdị na ha buru ibu nwere ike iru ọtụtụ iri sentimita, ma o kwere omume a di na nwunye nke millimeters.

Nke a ihe onwunwe na-eji maka nzube nke Paving, cladding na ndị mara mma vymaschivaniya. The eke imewe nke eji pebbles ekpughe enweghị nsọtụ probabilities nke mmezu nke nrọ ha na ọchịchọ. River ụdị nkume ma ọ bụ "pebbles" - bụ oblomkovaya rock sedimentary nkume, ihe a ire ụtọ na ụgbọelu egbu maramara n'ọnụ ya. Insanely ọtụtụ nke na agba na shades nke gravel, na ọbụna oké atụmatụ ị nwere ike iji ya bụghị naanị n'ihi na ji achọ nzube, ma n'ihi ndị lining. Akụkụ osimiri pebbles dị iche - si a di na nwunye nke millimeters 20 - 30 cm. A ọzọ na-ewu ewu na-arọ òtù na-ewere 5x20, 5x40 na 20x40 mm. Ma ịmata elu-edu ihe onwunwe, mgbe ahụ, kara nkume a na-atụle na-eguzogide na gburugburu ebe obibi nke iji, anwụ ngwa ngwa, ntu oyi na-eguzogide, na ike na nkwado. Dị otú ahụ àgwà dị ka wear eguzogide enye gị ohere iji nke a ihe onwunwe, ebe a nnukwu eruba n'ime ndị mmadụ, dị ka n'ogige ntụrụndụ.

Ndị dị otú ahụ otu nhọrọ dị ka a ji achọ pebbles nwere dịghị emerụ mmetụta na gburugburu ebe obibi, gụnyere mmadụ. Ọbụna na Kama nke ahụ, o nwere antibacterial ọgwụ e ji mara. Otu nnọọ akụkụ dị mkpa nke ewu ihe owuwu bụ inert, ndị ọzọ okwu ekwe omume nke ihe onwunwe na-emekọ ihe chemical ọcha nke ndị ọzọ ihe. The isi constituent mmiri pebbles atụle ígwè oxide, calcium carbonate na silica. Ụda olu nke nkume-adabere nnọọ na chemical mejupụtara na na ụdị nke oké nkume anya nke na ọ na-emi esịnede. Ndị na agba pụrụ ịbụ ọmụ, isi awọ, ìhè na agba ntụ, gụnyere ala opitoropi. Nile n'etiti ndi nile nke n'elu kasị elu anụ ahụ-n'ibu e ji mara nwere aja aja na ọchịchịrị aja aja pebbles. Ji achọ pebbles dabara na-eji maka mmepụta nke a pụrụ iche Mozis ma ọ bụ tile. Taịl mere n'ụzọ dị otú a, bụ ihe incredibly ogologo oge na na dị iche iche gburugburu. Igwu ụdị onwunwe - na-egbu maramara n'okpuru nduzi nke oké osimiri na ebili mmiri dị iche iche degrees nke fragmentation nke oké nkume na a dayameta nke 1 na 10 cm.

O nwere ike a ito eto udi karịa, n'ihi na ihe atụ, osimiri nkume. Na Black Sea ihe a were ọgụgụ ebe, na-eme mined oghe. N'adịghị ka eke konkiri metamorphic pebbles nwere a ike Ọdịdị n'ihi ihe bụ ihe kasị ike, inogide na ukwuu eguzogide mmetụta nke eke ihe. Ọ bụ nnọọ yiri eke nkume na nwere a bukwanu iche iche nke nha na ụdị na a iche iche sara mbara nke na agba. The ojiji nke Black Sea pebbles dị ka ọtụtụ: ke imewe nke odida obodo, na-emeghere ekwo ekwo, nakwa dị ka n'ime ime mma (lining mgbidi, arches, mgbidi na-asa ahụ, saa, wdg).

Ajịrịja - nke a bụ ihe kasị mma ihe maka mmezu nke dị iche iche imewe echiche.