Sɛnea Wɔtu Opal

Black Opal mining nyɛ agodie a ɛyɛ mmerɛw na ɛnyɛ mmerɛw sɛ wubenya. Egye adwumaden ne ɛtɔ mmere bi a mfe pii pii na ‘ayɛ no adefo’. Bere a adwuma no kɔɔ so na ɛkɔɔ so no, saa ara na mfiri a wɔde tu fam wɔ Opal no nso nyaa nkɔso. Wɔ Australia mpo no, mfiri ahorow a ehia ne sɛnea wɔyɛe no yɛɛ kɛse maa beae ne asase a na Opal a wotu fam no retu fam no titiriw.

Hwehwɛ Opal no

Sɛ prospecting leases bɛba a, na miners no sub contract driller bi a ɔbɛba abɛsɔ drill mpɔtam hɔ ahwɛ sɛ ɔbɛbɔ mmɔden ahwehwɛ Opal bearing dirt. Saa nsɛm yi taa yɛ mita 50 x 50 na wɔmaa wɔn a wotu opal no kwan ma wonya nsɛm abien a wɔka wɔ wɔn din mu. Sɛ wɔhunu beaeɛ pɛ a, na rig no de tokuru a ɛyɛ mita baako bɛsi fam (shaft) akɔsi mita 20-30 sɛ ɔkwan a wɔfa so kɔ Opal ɔtopaeɛ no mu.

Tutu Opal no fi hɔ

Na nea ɔtu fam no befi ha atutu ɔkwan bi a wɔfrɛ no ‘drive’ a ɛbɛyɛ nea ɛne shaft no hyia pɛpɛɛpɛ. Eyi bɛma nea ɔtu fam no atumi ahwehwɛ Opal no. Na wɔde nnwinnade te sɛ jack hammer anaa digger bedi dwuma de ayi ‘Opal efĩ’ no afi hɔ sɛnea ɛbɛyɛ a wobetumi de akɔ soro na wɔahyehyɛ. Wɔde hoist anaa blower na ɛyɛ eyi na wɔde Opal efĩ no gu lɔre bi mu wɔ soro. Dry blower no gyee sɛ ɛsɛ sɛ wɔma opal bearing efĩ no so kɔ soro na ebinom tumi bɔ efĩ no kodu mita 30 ankasa.

Hyehyɛ Opal no

Afei woyi lɔre ahorow no gu afiri bi a wɔfrɛ no dry agitator mu. Ɛha na wɔtow Opal bearing efĩ no gu na wɔhohoro ho nnɔnhwerew pii. Wɔ adeyɛ no awiei no, wɔhyehyɛ ‘tailings’ a aka no mu de anidaso sɛ wobehu Opal a wɔde wɔn adwene si so no. Mfitiaseɛ no na agitators no yɛ kusuu nanso berɛ a mining bɛyɛɛ nea ɛkɔ akyiri no, miners fekuo no yɛɛ atare na na artesian nsuo bɛma saa atare yi aduane na yei nso maa Opal a wɔyɛ no kɔɔ soro.

Enti wɔde nnɛyi akwan a wɔfa so tu Opal no pii bae wɔ mfe a edi kan no mu na wɔda so ara de di dwuma nnɛ.

Lightning Ridge, NSW, na ɛwɔ hɔ

Titiriw wɔ Lightning Ridge no atopae dodow no ara wɔ asase ase na ɔtopae kɛse biako pɛ na wɔatwa a wɔabue mu a wɔmfa nni dwuma bio. Opal a wotu wɔ Lightning Ridge no da so ara yɛ ankorankoro a wotu fagude, anaasɛ wɔn a wotu fagude a wɔyɛ adwuma wɔ fekuw nketewa mu sen sɛ wɔbɛyɛ nnwumakuw akɛse no adwuma.

Ase hɔ no yɛ abakɔsɛm mu mfonini ahorow bi a ɛfa Lighting Ridge Opal Fields a ɛwɔ 1970 mfe no awiei mu hɔ no ho. Mfonini ahorow no kyerɛ da biara da asetra wɔ Opal mfuw mu wɔ Awɔw Bere mu a wɔn nnwinnade a wɔde tu fagude ka ho. Opal a wotu fam no pii yɛɛ wɔn ankasa mfiri a wotu fagude efisɛ na wontumi ntɔ saa nna no.

Mfiridwuma adwumayɛbea ahorow buee wɔ Australia Opal mfuw no nyinaa mu wɔ nna a edi kan a wotu fagude no mu yɛɛ rigs, opal blowers na wɔsan nso yɛɛ nsiesie efisɛ na ebegye adapɛn pii na wɔanya spare parts bi afi nkurow afoforo anaa amannɔne de amena. Ɛnnɛ mpo engineering firms yɛ spare parts pii sɛnea wɔwɔ tooling equipment na ɛyɛ mmerɛw na ɛyɛ ntɛm sɛ wɔbɛyɛ wɔn ankasa opal mining equipment wɔ mpɔtam hɔ.

Sɛnea Opal Miners Hwehwɛ Opal

Wɔn a wotu opal no hyia nsɛnnennen pii wɔ opals a wotu mu na enti opal a wɔhwehwɛ no yɛ asetra kwan a ɛyɛ den. Anhweatam so nsraban a ɛso yɛ kusuu a ɛwɔ akyi a nsraban dodow no ara nni anyinam ahoɔden anaa intanɛt mpo mu a wɔte. Nneɛma a atwa yɛn ho ahyia no yɛ katee ma enti wɔn a wɔn ho yɛ den nkutoo na wobetumi atra ase. WɔLightning Ridge mpo, opal tuntum no fie no wɔwɔ anigye sɛ wɔwɔ nsuo a ɛbɛn asase ani enti ɛnyɛ den sɛ wobɛnya nsuo. Nanso saa nsu yi reyɛ hyew. Bɛyɛ digrii Celsius 40 (digrii Fahrenheit 104) enti sɛ obi kɔ nsuo a nsuo no rebobɔ. Ɛsan nso wɔ minerals pii wɔ nsuo no mu enti ɛwɔ hua a ɛnyɛ dɛ. Enti bush camps pii nni showers anaasɛ wɔwɔ Hessian showers a ne titiriw no ɛyɛ bag a wɔde sɛn dua so na nsuo yɛ nwini.

Akwan pii wɔ hɔ a wɔfa so tu opals:

• Drill a wɔde tu fam
• Trench Hwehwɛ a Wɔhwehwɛ
• Opal Akɔmhyɛ
• Bue Twitwa

Drilling Wɔ Hwehwɛ Opals

Saa Mfonini yi yɛ Peter a ofi Anembo Opal a ɔwɔ drilling rig wɔ Lightning Ridge. Wɔn a wotu opal no betumi atɔ krataa a wɔde bɛma wɔatumi atu fam wɔ asase so nnafua 28. Eyi hwehwɛ sɛ wɔde drilling rig te sɛ nea ɛwɔ atifi hɔ mfonini no a 6 anaa 8 inch drill bedi dwuma de asɔ drill beae bi ahwɛ sɛ ebia wɔn no yɛ opal kakraa bi anaa. Sɛ obi a ɔtu fam nya beae pa pɛ a ɔde saa drill yi di dwuma de tokuru a ne tɛtrɛtɛ yɛ mita bi si fam kosi opal bearing efĩ level no so de fi ase tu. Ɛnnɛ akwammisa krataa bi bo yɛ dɔla 1700 ma dwumadibea a ɛhwɛ atopae so no sɛ wɔmfa nsɔ beae bi nhwɛ. Adwumayɛ ne ɛka afoforo a wɔbɔ nyinaa bɛyɛ $6000 nnafua 28. Enti sɛ obi a otu fam nhu hwee a ɛyɛ oprehyɛn a ne bo yɛ den nanso ɛno ne agoru a wɔpɛ sɛ wodi.

Trench Hwehwɛ a Wɔhwehwɛ

Mfonini ahorow a ɛwɔ atifi hɔ no kyerɛ amena bi a wotutuu wɔ Koroit Opal mfuw mu wɔ Queensland . Ɔbarima a ɔwɔ mfonini no mu ne Wayne a ofi Opal Plus . Obi a ɔtutu fam tutu amena a emu dɔ yɛ mita 3-4 anaa kosi sɛ obehu mpa so abotan. Mpɛn pii no, amena no tenten bɛyɛ mita 15. Sen wubetumi ahuruw akɔ amena no mu na woayɛ speck afã horow no ama opal bearing potch biara. Wɔ mfonini ahorow a ɛwɔ atifi hɔ no mu no wubetumi ahu abotan a ɛyɛ bruu wɔ miners ti no nifa so na eyi yɛ opal bearing dirt a wobetumi apaw de ahwɛ sɛ ɛfata sɛ wotutu anaasɛ ɛnte saa. Na saa amena yi wɔ afã baako pɛ a ɛkyerɛ opal kɔla tumi enti wɔhyɛɛ amena no ma.

Opal akɔmkyene

Eyi yɛ ade koro titiriw ne nkɔmhyɛ a wɔde hwehwɛ nsu wɔ baabi a obi a otu fam wɔ poma na wotumi te nka anaasɛ poma no tu wɔ nsu anim. Wɔ eyi mu no nnipa binom bɛhwehwɛ mmeae a scrub bi nyin sɛ nea ɛkyerɛ sɛ opals wɔ asase ase. Nnipa pii asɔ nyansahu nnwinnade ahwɛ de ahu opal anaa slips wɔ asase so nanso emu biara ntumi nyɛɛ yiye wɔ aguadi mu. Wɔn a wotu fagude pii nnɛ bɛyɛ adwuma wɔ atopae dedaw mu de ahwehwɛ opal a wɔagyaw wɔ akyi anaasɛ wɔbɛyɛ open cut mining a wɔde ka bom ka nsɛm pii ho

Open Cut Mining a Wɔatu

Mfonini a ɛwɔ atifi hɔ no yɛ opal a wotu a wɔabue mu de. Ɛkyerɛ nnua dedaw a bere dedaw no tuo no. Saa kwan yi a wɔfa so tu opal no bo yɛ den yiye efisɛ woyi direct no nyinaa nanso ɛkyerɛ sɛ wɔmfa opal kotoku a ahintaw no nnyae da.Open cut mines hia $100,000 bond plus digging cost, machinery na ɛsɛ sɛ wo back fill mpo sɛ wuhu sɛ dabi opals.

Mmerefo ka sɛ ɔkwan a eye sen biara ne sɛ wɔbɛtow kyɛw agu wim na baabi a ebesi no fi ase tutu. Nnipa afoforo ka sɛ wɔbɛtɔ asɛm a ɛsow aba a ɛde kɔla bi aba no bɛyɛ $5000 kosi $30,000. Obiara ntɔn tuo ho asɛm nanso wɔahu abo a ɛwɔ soro bi wɔ saa kwan yi so.

Nneɛma a Atwa Yɛn Ho Ahyia Ho Opal Mining Akwan.

Sɛ obi a otu opal yɛ adwuma ka sɛ afei de ɛsɛ sɛ ɔhyɛ ɔtopae no mu ma bere a wɔatu awie no. Sɛ wopɛ open cut mind mprempren $250,000 deposit ansa na woatumi afi ase atu wɔ anyinam ridge mu ama black opals.

Saa atopae a wɔatwa no abue yi betumi ayɛ nea ne bo yɛ den sɛ wobɛhyɛ akyi ahyɛ mu ma na woasan ayɛ afifide bio.

Ɔkwan foforo no fa afiri a wɔde tutu fam wɔ baabi a nneɛma a wɔde asie no bɛn asase ani

Wɔn a wotu fam wɔ Queensland abotan so opal mfuw mu binom fii ase de saa kwan yi dii dwuma bere a na wɔreyɛ adwuma wɔ asase a emu nnɔ so a ɛbɛn wɔn adan a wɔagye no awiei no

Ná wɔn a wotu fam no de afiri kɛse a wɔde tutu fam a bokiti a ne tɛtrɛtɛ yɛ mita anaasɛ ne tɛtrɛtɛ bɛyɛ anammɔn 3 betutu amena

Na wɔbɛtutu bɛyɛ bokiti nnesoa 6 a ne tɛtrɛtɛ bɛyɛ mita 20 na wɔasan ahyɛ mu ma a wɔkɔɔ so yɛɛ wɔn asɛm no ho adwuma.

Wɔn a wotu fam no binom de backhoe a wɔtaa de di dwuma wɔ tractor so ara kwa adi dwuma de asɔ drill clams nketewa ahwɛ na wɔasan anya parcels akɛse bi a ɛyɛ rough opals

Mmarima a wɔyɛ adwuma wɔ Australia atɔe fam opal mfuw mu ma ogya opal mpo de tractor di dwuma wɔ trailer so de sɔ mmeae bi hwɛ na wɔyɛ adwuma.

Opal a wotu wɔ Lighting ridge no mfaa saa kwan yi nni dwuma esiane sɛ opal a wotu mu dodow no ara wɔ opal wɔ bun a emu dɔ mu nti, nanso wɔn a wotu opal no bi reyɛ adwuma wɔ atopae mu nkakrankakra na wɔretwitwa wɔn adan a wɔagye no mu wɔ anammɔntu kwan so adwumayɛ ho

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