Black yashi. Sandy rairayin bakin teku: ja, da fari, da rawaya

Mafi sau da yawa, a lokacin da wani mutum ne lokacin rani, shi kiwata da wadannan kungiyoyin: teku, da rana, da rairayin bakin teku da kuma zafi rawaya yashi. Saboda haka taushi, zinariya ko orange, ja, baki, ko watakila kore? Launi da kuma musamman, suke located a duk faɗin duniya, da kuma wasu daga cikinsu suna da gaske m.

Rairayin bakin teku na duk launuka na bakan gizo

Picturesque, kuma m yashi rairayin bakin teku za a iya samu a wasu sassa na duniya. Bisa ga Guinness Littafi na Records, ne fari Sands a duniya ne a Australia. Golden rairayin bakin teku za a iya samu a Manduria (Italy). A cikin launi kowane mutum ƙwãya daga ma'adanai shafi cikin abun da ke ciki na kankara, shuke-shuke, kuma ko da dabbobi da suke zaune a yankin. A wannan rairayin bakin teku iya duba more rawaya, da zinariya, da launin ruwan kasa, ko mai haske orange, dangane da lokaci na rana, rana da kuma yanayi.

Mafi ban sha'awa da kuma sabon abu rairayin bakin teku

Very m look m yashi a bakin teku a Harbor Island (Bahamas). Located a kan m gefen tsibirin, sunã da wani tinge na ja bawo na single-celled marine dabbobi, gauraye da farin yashi. Green dubi sosai jitu papakolea rairayin bakin teku a Hawaii, ko da bakin tekun na Floreana tsibirin (Galapagos). Idan ka hankali la'akari da wannan dintsi na yashi, za ka iya ganin wata babbar adadin idon yayi kamar gilashi lu'ulu'u, zaitun kore, waɗanda suka yi har da wani babban ɓangare na yashi, kamar yadda wanke daga gida breeds.

A Puerto Rico, Vieques, mamaki tare da kyau da kuma sabon abu ja yashi a bakin teku. A real boye taska yanayi ne Kaihalulu rairayin bakin teku a tsibirin Maui (Hawaii). A nan, kuma, za ka iya ganin duhu ja yashi. Local breeds ne mai arziki a cikin baƙin ƙarfe, da kuma wannan shi ne saboda wani cikakken dafa. Don samun a nan shi ne ba da sauki, kamar yadda wannan picturesque wuri ne musamman ya zama ruwan dare, da wuya a shiga.

Mene ne yashi?

Sand - a free-qoramu granular abu rufe da rairayin bakin teku, riverbeds da hamadar a duniya. Ya kunshi daban-daban kayan, abin da ya bambanta dangane da wuri. A mafi yawan bangaren shi ne silica yashi a cikin nau'i na ma'adini, da kuma irin rawa da kuma ma'adanai kamar feldspar da Mica. Saboda weathering matakai (iska, ruwa, narke, daskare) duk wadannan kankara da kuma ma'adanai suna ƙasa, kuma sannu a hankali juya a kananan hatsi.

Tropical tsibiran, kamar Hawaii, da ma'adini mai arzikin kafofin, don haka abin da yashi shi ne daban-daban a cikin wadannan wurare. Yana iya zama fari saboda gaban na alli carbonate samu daga bawo na marine kwayoyin da skeletons. Tropical rairayin bakin teku na iya samun baki yashi, wanda ya kunshi duhu volcanic gilashi. Abin mamaki kadan da aka sani game da asalin na duniya most yashi Hamada. Nazarin ya nuna cewa Sahara da zarar bambanta da lush ciyayi, kafin canjin yanayi juya shi a cikin wani hamada.

Irin daban-daban yashi

Me ne yashi a sassa daban daban na duniya ne don haka daban-daban a cikin launi? Nature ba ya samun gaji gigice duk da bambancin, ciki har da ma musamman m, yashi rairayin bakin teku, a canza launin iridescent tabarau: kore, ja, orange, ruwan hoda, da shunayya, da launin ruwan kasa, zinariya-rawaya da fari. Kuma a kan wasu rairayin bakin teku - black yashi. To, abin da shi ne dalilin da bambanci? Amsar ta'allaka ne da ma'aunan kasa zurfin dukan ƙirin. Sand - wannan tarkace na kankara da kuma ma'adanai kamar ma'adini, da na baƙin ƙarfe, wanda size jeri daga 63 microns (daya-dubbai a millimeter) zuwa biyu millimeters.

Sand daga ra'ayi a fannin binciken kasa

Geology kewaye yankunan ƙwarai rinjayar da abun da ke ciki da kuma launi daga cikin yashi. Alal misali, a bakin tekun, kunsha na dutse ya faru da volcanic eruptions (dutse), da yashi zai zama m. Idan mafi yawan Coast ƙunshi metamorphic kankara cewa sun halartar nadawa da kuma hadawa da wasu breeds, cewa a yarda musu su kara yawan oxides kamar baƙin ƙarfe, da launuka ne sosai aukaka.

Lokacin da dama breeds fada a cikin kõwace zangarniya akwai ƙwãya cewa yin up yashi a bakin teku, da launi da aka yafi ƙaddara da gaban ko babu baƙin ƙarfe, a sosai na kowa ma'adinai a duniya. Lokacin da baƙin ƙarfe ma'adanai da ake gittar da iska, suka fara zuwa oxidize, kuma yana ja, orange ko yellow yashi. Wani lokaci launi dogara ba kawai a kan ma'aunan kasa kankara. An rinjayi da kwayoyin da suke zaune a cikin ruwa. Wasu rairayin bakin teku an hada da kankanin da wani ɓaɓɓake daga murjãni da kwarangwal ragowar marine halittun kamar molluscs, crustaceans da foraminifera, wanda ba yashi lu'u-lu'u farin launi.

Samar da kuma rairayin bakin teku launi

Gaɓar teku za a iya kafa a wani wuri inda teku, ko teku yanka a cikin kasar. Ga dubban shekaru da taguwar ruwa eroding da shoreline, samar da wani lebur sarari, ya kira rairayin bakin teku. Wadannan sabon sarari fara tara adibas masu raunin juriya saukar daga kewaye duwãtsu, kuma eroded, da jefa fitar da taguwar ruwa na kasar gona sharan daga kasa daga cikin teku. Coastal iskõki da hadari ma hannu a cikin halittar rairayin bakin teku. Launi yashi a wani musamman wuri yawanci nuna kewaye wuri mai faɗi da kuma launuka na dab teku bene.

Saboda ta musamman fannin binciken kasa, Hawaii yana da yawan canza launin rairayin bakin teku da cewa ba za a iya samu a ko'ina kuma a duniya. Alal misali, ci-baki yashi a bakin teku, Punaluu ne a sakamakon volcanic aiki. Yana hada da wani basalt marmashi kuma an dauki blackest a duniya. White Sand Beach Hyams suna da kintsattse fari da kuma tsabta a duniya. Ya aka haka murƙushe cewa yayi kama da powdered sukari. Located a kan Hawaiian tsibirin Maui Kaihalulu rairayin bakin teku ne sananne ga cewa shi ne daya daga cikin 'yan wurare a cikin duniya da baƙin ƙarfe-m ja yashi.

Beach da baki yashi - a rarity ko sananne?

A mafi m duba baki yashi rairayin bakin teku, wanda shi ne kawai ban mamaki sakamakon volcanic aiki a kusa da bakin tekun. Black yashi za a iya gani a saman ma'adini a cikin yankuna da wani babban aiki da ƙasa, a kan gangara na volcanoes kuma a yankunan inda mafi yawan jinsunan duhu launi da kuma talakawa a silica. Mafi yawansu ba su ne arziki a cikin baƙin ƙarfe, da kuma da nauyi na ma'adini da yashi shi ne mafi tsananin fiye da saba. Me baki yashi? Yana iya kunshi dama daban-daban duhu ma'adanai na volcanic yanayi.

Places inda baki yashi rairayin bakin teku akwai sau da yawa a tushen adibas na duwatsu masu daraja kamar garnets, yaƙũtu, sapphires, Topaz, kuma ba shakka, Diamonds cewa an kafa a cikin kusanci da volcanoes iya shiga a waje tare da lawa gudana. Black yashi rairayin bakin teku za a iya samu a Argentina, da kudancin Pacific Islands, Tahiti, Philippines, California, Girka, da Netherlands Antilles, Hawaii.

Duniya tana cike da kyau rairayin bakin teku, da kuma bãbu shakka. Kuma ko da yake yawancin mutane za su yi yarda da murna don bask a cikin haske rana, kwance a kan wani farin ko zinariya Sands, ya kamata har yanzu kula da sauran rairayin bakin teku, da yashi na sauran launuka na bakan gizo.