Aljanna ta Iblis (Babban Matakala-Tsayin Tsaro na Kasa)

Gidan Aljanu na Grand Staircase-Escalante National Monument (GSENM) a kudancin tsakiyar Utah, Amurka, yanki ne mai kariya wanda ke nuna hoodoos, arches na halitta da sauran tsarin sandstone. An kuma san yankin da Aljanna ta Shaidan da ke cikin Tsarin Kula da Yanayi na Kasa.

An halicci tsari a cikin lambun Iblis, kuma suna ci gaba da kasancewa, ta hanyar yanayi daban-daban da hanyoyin rushewa. Wadannan matakai na halitta suna tsara yadudduka na sandstone da aka kafa sama da shekaru miliyan 166 da suka gabata a lokacin Jurassic na Tsakiya.

Ofishin Gudanar da Kasa (BLM) yana kula da lambun Iblis da dukan GSENM wanda shine abin tunawa na farko na ƙasa da aka sanya wa BLM.

## Yanayin ƙasa
Gidan Aljanu yana kusa da 17 miles (27 km) mi (27 ta hanyar kudu maso gabashin Escalante, Utah . A yammacin yankin akwai Straight Cliffs wanda ke bayyana gefen gabashin Kaiparowits Plateau. A gabashin yankin akwai Kogin Escalante wanda ke da alaƙa da shi sun kafa koguna da yawa. A arewa akwai gandun daji na Dixie kuma a kudu akwai Hole-in-the-Rock da Lake Powell waɗanda ke cikin yankin Glen Canyon National Recreation Area. Gidan Aljanu yana da tsawo ,243 m) sama da matakin teku a Garfield County, Utah . Yankin ya auna kadada 640 wanda ya yi daidai da murabba'in mil 1 (2.6 murabba'i kilomita).

Hanyar Hole-in-the-Rock ita ce babbar hanyar shiga lambun Iblis. Hanyar da ba a shimfiɗa ba  tana kudu maso gabas zuwa cikin abin tunawa na ƙasa wanda ya fara a wurin haɗuwa da  game da  mi (8.0  gabashin Escalante. Bayan tafiya game da 12 mi (19 km) tare da Hole-in-the-Rock Road akwai hanya zuwa dama da ke kaiwa yankin Devils Garden. Yawancin abubuwan da ke da ban sha'awa suna cikin wani yanki mai mahimmanci kusa da filin ajiye motoci.

Bayani game da yanayi da hasashen yanayi na yanzu don yankin Escalante suna samuwa a cikin sashin Haɗin waje.

## Abubuwan da ke ciki

Metate Arch  wani nau'i ne na halitta wanda ke kusa da tsakiyar lambun Iblis, yayin da wani babban bango mai suna Mano Arch  yake kudu maso gabashin Metate Arch. Yawancin hoodoos na girma da siffofi daban-daban sun warwatse a ko'ina cikin lambun Iblis, tare da wani rukuni na sanannun hoodoos huɗu, ba tare da sunan USGS ba, kasancewa sanannen batun daukar hoto.

Ana samun teburin biki da wuraren wanka. Ruwa ba ya samuwa kuma babu wasu ayyuka da aka bayar. Ana ba da izinin sansani na farko a wasu wurare tare da Hole-in-the-Rock Road amma ba a yankin Devils Garden ko filin ajiye motoci ba. Ana buƙatar izinin sansani kyauta a gaba don sansani a cikin abin tunawa na ƙasa.

An sanya dutsen dutse na yankin Escalante memba na Escalante na Entrada Sandstone na San Rafael Group ta hanyar masana ilimin ƙasa, kuma an kafa su ne a zamanin Jurassic na Tsakiya (shekaru 166 zuwa 174 da suka gabata). An kafa Tsarin tsaunuka masu tsawo na Kaiparowits Plateau zuwa yammacin lambun Iblis a lokacin Cretaceous na baya-bayan nan. Masana ilimin halittu suna da sha'awar yankin saboda an ajiye tsarin dutsen lokacin da dinosaur suka yi yawo a Duniya. Masana kimiyya da ke aiki a cikin iyakokin GSENM sun gano burbushin dinosaur da waƙoƙi da yawa.

An halicci arches na halitta da sauran tsari, kuma suna ci gaba da kasancewa, ta hanyar hanyoyin halitta na yanayi da rushewa. Wasu daga cikin yadudduka na dutse sun hada da kayan Caprock mai wuya wanda ke tsayayya da tasirin yanayi da rushewa. Wadannan yadudduka na caprock za su kasance cikakke fiye da sauran yadudduka marasa tsayayya waɗanda ke da yanayi kuma suna lalacewa a ƙasa da kewaye da su suna barin arches da hoodoos na yanzu. Tsarin zafi da sanyi, hazo, kankara, iska da nauyi duk suna taka rawa wajen kirkirar tsari.

Bambancin matsanancin zafin jiki na yau da kullun yana haifar da karyewa ta hanyar maimaita fadadawa da raguwar dutse a cikin tsari da ake kira yanayin damuwa. Matsalar zafi na iya haifar da raguwa mai zurfi wanda ya raba dutsen zuwa sassa daban-daban a cikin tsarin rushewa da ake kira thermal exfoliation. Ruwan sama yana haifar da rushewar ƙwayoyin ƙwayoyin cuta masu kyau waɗanda ke ɗaure manyan ƙwayoyin tare, wanda aka sani da yanayin sinadarai. Ruwa mai daskarewa yana fadada a cikin karyewa yana sa su faɗi da zurfi a cikin tsari da ake kira sanyi. Girman nauyi yana da ƙarfin ƙasa wanda ke haifar da sabbin fashewa kuma yana raba tsarin tare da fashewar da ke akwai a cikin tsari da ake kira stress relief exfoliation. Iska mai saurin gudu tana cirewa duk wani hatsi mai laushi daga tsarin kuma iska mai dauke da yashi mai laushi a saman yana sa su zama masu santsi.

## Dajin daji
Lambun Aljannu kuma an san shi da Yankin Nazarin Jeji  don manufar zayyana jeji; duk da haka, Manajan Gundumar BLM bai ba da shawarar matsayin jeji ba a cikin rahoton yankin Nazari kai tsaye  da aka gabatar wa Majalisar Dokokin Amurka a 1991. Ɗaya daga cikin dalilan da aka bayyana shi ne cewa hanyoyin da ake da su, filin ajiye motoci, teburan fici da wuraren bayan gida duk suna cikin kusanci da yankin na halitta. Dalili na biyu shi ne yuwuwar ƙungiyoyin mutane da yawa sun taru a lokaci guda a kusa da manyan abubuwan da aka tsara na rukunin yanar gizon, waɗanda ke cikin yanki mai girman eka 10 kusa da wurin ajiye motoci (1.6% na jimlar yanki na kadada 640). Duk waɗannan dalilai guda biyu suna rage ƙwarewar jeji na kaɗaici a cikin yanayi mai nisa. 

Gidan Aljanu ya kasance ba a bayyana shi ba a matsayin yankin jeji  amma kuma ya kasance a cikin jerin BLM Wilderness Study Areas da aka tattara a watan Disamba na shekara ta 2010. 

Shahararrun masu bincike:

* Silvestre Vélez de Escalante, sunan asalin birni, kogi, da abin tunawa
* Binciken Domínguez-Escalante, ya kewaye amma bai shiga yankin abin tunawa ba a cikin 1776
* San Juan Expedition, ya yi tafiya ta hanyar abin tunawa a cikin 1879-80
* Everett Ruess, wani matashi mai bincike na yankin Escalante Canyons a cikin 1934.

## Manazarta