
Petrifiedfosil wO fua o laau na fausia e ala i le fesuia'iina o vaega fafie ma le SIO2 (silicon dioxide) i le vai o le eleele ina ua vave ona tanumia lala ma laau a itiiti mai o le selau miliona tausaga i lalo o le eleele. O vaega taʻitasi e tulaga ese, faʻatasi ai ma mamanu eseese e maua e ala i le tipi faʻasolosolo ma le tuʻu saʻo. O paneli tetele e faʻapipiʻiina i lenei taimi e mafai ona faʻapipiʻiina e maua ai mamanu lapotopoto, lea e mafai ona faʻaaogaina i totonu o le fale, puipui puipui, ulufale, komepiuta, ma isi.
O fafie faʻapipiʻi ma maʻa semi-taua e faʻatatau i fossil mineral ma se fausaga laupapa, o loʻo i ai uiga ma tau faʻatauga o maʻa taua i le taimi e tasi. O nei fafie fafie e faasolosolo ona suia i minerale e ala i se faagasologa umi o eleele.
O ma'a semi-taua fafie fafie e masani ona iai uiga nei:
Fausia laupapa: Petrified laupapa semi-tau maa tumau pea le fua ma auiliiliga o le uluai laau, e pei o mama tuputupu aʻe, veins, pores, ma isi mea e foliga tutusa i latou foliga i laupapa moni, tuuina i latou se lagona masani ma tulaga ese.


Faʻatamaoaigaina o minerale: I le taimi o le faʻavaeina o fafie ma maʻa semi-taua, o mea faʻalaʻau i totonu o fafie e suia i minerale, faasolosolo malie ona fausia se fausaga faʻatamaoaigaina minerale. O nei minerale e mafai ona aofia ai le quartz, agate, tourmaline, ma isi mea, e tuʻuina atu ai maʻa semi-taua fafie petrified uiga ma uiga o maʻa taua.


Ma'a'a ma le Maumau: Ona o le suia o minerale i fafie ma ma'a semi-taua, e fai si faigata ma e tetee atu i nisi o mamafa ma ofuina. O le mea lea e sili atu le umi mo teuga ma mea taulima.

Fa'atauva'a ma Fa'ataua: O ma'a fa'atama'i la'au fa'apipi'i e le masani ona fa'atatau i tulaga fa'afanua ma le umi e mana'omia e fai ai. O lona seasea ma tulaga ese e faʻaopoopoina ai se taua ma faʻaoga i ai, ma avea ai ma maʻa taua e aoina ma faʻatau.

I se tulaga lautele, o maa semi-taua laau petrified o minerale fossils ma se fausaga laupapa, faʻatamaoaigaina minerale, feololo maaa, ma uiga taua. Ona o lo latou matagofie tulaga ese ma le taua, e alofagia ma sailia i latou i le fanua o teuga ma galuega taulima.



O le Rising Source Stone o se gaosiga tele Saina ma le fa'atau atu o papa ma'a semi-taua maualuga.O matou o se fa'atau oloa ma gaosiga o papa ma'a semi-taua.
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