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Cretaceous
Jurassic
Triassic
Permian
Carboniferous
Devonian
Early Paleozoic

Welcome to the Middle East Lexicon of Stratigraphic Units!
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🌎
Dammam Fm
🌎
Rus Fm
🌎
Umm er Radhuma Fm
🌎
Aruma Fm
🌎
Nahr Umr Fm
🌎
Shu'aiba Fm
🌎
Kharaib Fm
🌎
Yamama Fm
🌎
Sulaiy Fm
🌎
Hith Anhydrite Fm
🌎
Arab Fm
🌎
Jubaila Fm
🌎
Hanifa Fm
🌎
Dhruma Fm
🌎
Marrat Fm
🌎
Minjur Fm
🌎
Jilh Fm
🌎
Sudair Fm
🌎
Khuff Fm
🌎
Unayzah Fm
🌎
Zaafarana Wardan Fm
🌎
Zeit Fm
🌎
South Gharib Fm
🌎
Belayim Fm
🌎
Kareem Fm
🌎
Rudeis Fm
🌎
Nukhul Fm
🌎
Abu Zenima Fm
🌎
Thebes Fm
🌎
Esna Fm
🌎
Dakhla Fm
🌎
Sudr Fm
🌎
Duwi Fm
🌎
Matulla Fm
🌎
Wata Fm
🌎
Abu Qada Fm
🌎
Raha Fm
🌎
Malha Fm
🌎
Qiseib Fm
🌎
Marmarica Limestone Fm
🌎
Moghra Fm
🌎
Gebel Ahmar Sands Fm
Upper Clastic Division Gr
🌎
Maadi Fm
🌎
Mokattam Fm
🌎
Minia Fm
🌎
Thebes Fm
🌎
Esna Fm
🌎
Dakhla Fm
Middle Calcareous Division Gr
🌎
Nubian Sandstone Fm
🌎
Risan Aneiza Fm
🌎
Gebel Maghara Fm
🌎
Arif el-Naga Fm
🌎
Ataqa Fm
Lower Clastic Division Gr
🌎
Um Bogma Fm
🌎
Gattarian Plutonites Gr
🌎
Dokhan Gr
🌎
Hammamat Gr
🌎
Shaitian Granites Gr
Basement Complex Gr
🌎
Fundamental Gneiss Gr
🌎
Bakhtiari Fm
🌎
Agha Jari Fm
🌎
Upper Red Fm
🌎
Mishan-Guri Fm
🌎
Gachsaran Fm
🌎
Qom Fm
🌎
Asmari Fm
🌎
Lower Red Fm
🌎
Pabdeh-Jahrum Fm
🌎
Tarbur Fm
🌎
Gurpi Fm
🌎
Ilam Fm
🌎
Laffan Fm
🌎
Sarvak Fm
🌎
Kazhdoumi Fm
🌎
Dariyan Fm
🌎
Gadvan Fm
🌎
Fahliyan Fm
🌎
Hith Anhydrite Fm
🌎
Surmeh Fm
🌎
Najmah Fm
🌎
Sargelu Fm
🌎
Alan Fm
Khane Khat Fm
🌎
Mus Fm
🌎
Adaiyah Fm
🌎
Dashtak Fm
🌎
Aghar Shale Fm
🌎
Kangan Fm
🌎
Faraghan Fm
🌎
Chal-e Shah Fm
🌎
Sardar Fm
🌎
Ghezel Ghale Fm
🌎
Mobarak Fm
🌎
Shishtu Fm
🌎
Bahram Fm
🌎
Khushyeilagh Fm
Ozbak Kuh Gr
🌎
Sibzar Fm
🌎
Padeha Fm
🌎
Zakeen Fm
🌎
Soltan Meidan Volcanics Fm
Gushkamar Gr
🌎
Niur Fm
🌎
Sarchahan Fm
🌎
Seyahou Fm
🌎
Zard Kuh Fm
🌎
Lashkarak Fm
🌎
Shirgesht Fm
🌎
Derenjal Fm
🌎
Kalshaneh Fm
Mila Gr
🌎
Mila Fm
🌎
Lalun Sandstone Fm
🌎
Zaigun Fm
🌎
Barut Fm
🌎
Aghda Limestone Fm
🌎
Hasham Shale Fm
🌎
Soltanieh Fm
🌎
Hormuz Salt Fm
🌎
Bayandor Fm
🌎
Kushk Gr
🌎
Kahar Fm
🌎
Dibdibba Fm
🌎
Fatha Fm
🌎
Khirish Beds Fm
🌎
Fars Fm
🌎
Jeribe Fm
🌎
Dhiban Fm
🌎
Euphrates Fm
🌎
Ghar Fm
🌎
Serikagni Fm
🌎
Kirkuk Gr
🌎
Dammam Fm
🌎
Jaddala Fm
🌎
Rus Fm
🌎
Ratga Fm
🌎
Umm er Radhuma Fm
🌎
Aaliji Fm
🌎
Akashat Fm
🌎
Digma Fm
🌎
Tayarat Fm
🌎
Shiranish Fm
🌎
Hartha Fm
🌎
Sa'di Fm
🌎
Tanuma Fm
🌎
Khasib Fm
🌎
Kifl Fm
🌎
Mishrif Fm
🌎
Ms'ad Fm
🌎
Rumalia Fm
🌎
Rutbah Fm
🌎
Ahmadi Fm
🌎
Mauddud Fm
🌎
Nahr Umr Fm
🌎
Shu'aiba Fm
🌎
Zubair Fm
🌎
Ratawi Fm
🌎
Yamama Fm
🌎
Sulaiy Fm
🌎
Chia Gara Fm
🌎
Basarin Fm
🌎
Saggar Fm
🌎
Gotnia Fm
🌎
Najmah Fm
🌎
Sargelu Fm
🌎
Naokelekan Fm
🌎
Muhaiwir Fm
🌎
Alan Fm
🌎
Amij Fm
🌎
Sehkaniyan Fm
🌎
Hussainiyat Fm
🌎
Mileh Tharthar Clastics Fm
🌎
Ubaid Fm
🌎
Sarki Fm
🌎
Mus Fm
🌎
Adaiyah Fm
Baluti Fm
🌎
Butmah Fm
🌎
Zor Hauran Fm
🌎
Mulussa Fm
🌎
Geli Khana Fm
🌎
Kurra Chine Fm
🌎
Beduh Fm
🌎
Mirga Mir Fm
🌎
Chia Zairi Fm
🌎
Ga'ara Fm
🌎
Bir El Rah Fm
🌎
Harur Fm
🌎
Ora Fm
🌎
Tawil Fm
🌎
Alna Fm
🌎
Akkas Fm
🌎
Sarah Fm
🌎
Khabour Fm
🌎
Amud Fm
🌎
Wadi As Sir Fm
🌎
Kurnub Fm
🌎
Mughanniuua Fm
🌎
Sidal Fm
🌎
Haman Fm
🌎
Nimra Fm
🌎
Dahab Fm
🌎
Abu Ruweis Fm
🌎
Salit Fm
🌎
Hisban Fm
🌎
Suwayma Fm
🌎
Main Fm
🌎
Hudayb Fm
🌎
Batra Fm
🌎
Traibeel Fm
🌎
Umm Tarifa Fm
🌎
Sahl As Suwwan Fm
🌎
Amud Fm
🌎
Ajram Fm
🌎
Burj Fm
🌎
Salib Fm
🌎
Dibdibba Fm
🌎
Fars Fm
🌎
Lower Fars Fm
🌎
Ghar Fm
Kuwait Gr
🌎
Dammam Fm
🌎
Rus Fm
Hasa Gr
🌎
Umm er Radhuma Fm
🌎
Aruma Fm
🌎
Wasia Fm
🌎
Shu'aiba Fm
🌎
Zubair Fm
🌎
Ralawi Fm
🌎
Minagish Fm
🌎
Sulaiy Fm
Thamama Gr
🌎
Hith Anhydrite Fm
🌎
Gotnia Fm
🌎
Najmah Fm
Riyadh Gr
🌎
Dhruma Fm
🌎
Sargelu Fm
🌎
Marrat Fm
🌎
Minjur Fm
🌎
Jilh Fm
🌎
Khuff Fm
🌎
Unayzah Fm
🌎
Dimbabah Fm
🌎
Sabkah Salt Flats Fm
🌎
Panchino Fm
🌎
Qarqarish Fm
🌎
Sabkha Fm
🌎
Sahabi Gr
🌎
Ar Rajmah Fm
🌎
Fuehat Fm
🌎
Alueolina Brady I Limestone Fm
🌎
Maalegh Fm
🌎
Marada Fm
Marada Gr
🌎
Porto Bardia Fm
🌎
Beddahach Fm
🌎
Fortino Fm
🌎
Greir Bu-Hascisc Fm
🌎
Dur Al Abd Fm
🌎
Qararat al Jifah Marl Fm
🌎
Salantah Fm
🌎
Darnah Fm
🌎
Tmed al Ksour Fm
🌎
Al Gata Chalk Fm
Wadi Thamit Gr
🌎
Apollonia Fm
🌎
Gir Gypsum Fm
🌎
Beshimah Fm
Jabal Wadden Gr
🌎
Shurfa Fm
🌎
Wadi Dukhan Fm
🌎
Gerdes Al Abid Limestone Fm
Al Hamra Gr
🌎
Zimam Fm
🌎
Mizdah Fm
🌎
Sidi as Sid and Nefusa Fm
🌎
Nubian Sandstone Fm
🌎
Kikla and Cabao Fm
🌎
Chameau Mort Sandstone Fm
Tiji Gr
🌎
Taouratine Fm
🌎
Abu Ghaylan Limestone Fm
B'ir Al Ghanam Gr
🌎
Ghaylan Limestone Fm
🌎
Abu Shaybah Fm
🌎
Azizia Limestone Fm
🌎
Zarzaitine Fm
🌎
Ras el Hamia Fm
🌎
Continental Post-Tassilian Gr
🌎
Tiguentourine Fm
🌎
Assedjefar Fm
🌎
Dome of Collenia Beds Fm
🌎
Marar Fm
🌎
Awaynat Wanin Fm
🌎
Wan Kasa Fm
🌎
Tadrart Sandstone Fm
🌎
Akakus Sandstone Fm
🌎
Tanzuft Shale Fm
🌎
Memouiat Fm
🌎
Melaz Shuqran Fm
🌎
Lori Sandstone Fm
🌎
Hawaz Fm
🌎
Eghei Sandstone Fm
Gargaf Gr
🌎
Hasawnah Fm
🌎
Barzaman Fm
🌎
Dhulaima Fm
🌎
Sawadi Fm
Fars Gr
🌎
Taqa Fm
🌎
Shama Fm
🌎
Seeb Fm
🌎
Dammam Fm
🌎
Rus Fm
🌎
Rysayl Fm
🌎
Jafnayn Fm
🌎
Umm er Radhuma Fm
Hadhramaut Gr
🌎
Muthaymimah Fm
🌎
Thaqab Fm
🌎
Simsima Fm
🌎
Al Khod Fm
🌎
Juwaiza Fm
Aruma Gr
🌎
Fiqa Fm
🌎
Multi Fm
🌎
Natih Fm
🌎
Nahr Umr Fm
Wasia Gr
🌎
Al-Hassanat IV Fm
🌎
Shu'aiba Fm
🌎
Qishn Fm
🌎
Kharaib Fm
🌎
Jurf I Fm
🌎
Lekhwair Fm
Mesozoic Clastics Fm
🌎
Habshan Fm
🌎
Salil Fm
Kahmah Gr
🌎
Rayda Fm
🌎
Jubaila Fm
🌎
Hanifa Fm
🌎
Hanifa Fm
🌎
Tuwaiq Mountain Limestone Fm
🌎
Dhruma Fm
🌎
Mafraq Fm
Sahtan Gr
🌎
Minjur Fm
🌎
Jilh Fm
🌎
Mahil Fm
🌎
Sudair Fm
Akhdar Gr
🌎
Khuff Fm
🌎
Saiq Fm
🌎
Saiwan Fm
🌎
Gharif Fm
🌎
Rahab Shale Fm
Haushi Gr
🌎
Al Khlata Fm
🌎
Misfar Gr
🌎
Sahmah Fm
🌎
Hasirah Fm
Safiq Gr
🌎
Saih Nihyada Fm
🌎
Ghudun Fm
🌎
Amdeh Fm
🌎
Barakat Fm
🌎
Mabrouk Fm
🌎
Barik Fm
🌎
Andam Fm
🌎
Al Bashair Fm
Andam Gr
🌎
Miqrat Fm
🌎
Mahwis Fm
🌎
Miqrat-Mahwis Fm
Haima Supergroup Gr
🌎
Amin Fm
Mahatta Humaid Gr
🌎
Haradh Fm
🌎
Karim Fm
Nimir Gr
🌎
Dhahaban Fm
🌎
Al Noor Fm
🌎
Athel Fm
🌎
U Fm
Ara Gr
🌎
Birba Fm
🌎
Buah Fm
🌎
Shuram Fm
🌎
Fara Fm
🌎
Khufai Fm
🌎
Fiq Fm
🌎
Saqlah Fm
🌎
Masirah Bay Fm
🌎
Hadash Fm
🌎
Marsham Fm
Nafun Gr
🌎
Ayn-Ghubrah Fm
🌎
Ghadir Manqil Fm
🌎
Arkahawl Fm
🌎
Abu Mahara Gr
🌎
Ghubrah Fm
🌎
Hofuf Fm
🌎
Dam Fm
🌎
Hadrukh Fm
🌎
Dammam Fm
🌎
Rus Fm
🌎
Umm er Radhuma Fm
🌎
Simsima Fm
🌎
Aruma Fm
🌎
Wasia Fm
🌎
Nahr Umr Fm
🌎
Shu'aiba Fm
🌎
Kharaib Fm
🌎
Lekhwair Fm
🌎
Yamama Fm
🌎
Sulaiy Fm
🌎
Hith Anhydrite Fm
🌎
Arab Fm
🌎
Diyab Fm
🌎
Araej Fm
🌎
Marrat Fm
🌎
Hamlah Fm
🌎
Gulailah Fm
🌎
Khuff Fm
🌎
Haushi Fm
🌎
Badr Fm
🌎
Ifal Fm
Lisan Gr
🌎
Ghawwas Fm
🌎
Mansiyah Fm
🌎
Kial Fm
🌎
Jabal Kibrit Fm
Maqna Gr
🌎
Burgan Fm
🌎
Musayr Fm
🌎
Yanbu Fm
🌎
Al Wajh Fm
Tayran Gr
🌎
Jizan Gr
🌎
Matiyah Fm
🌎
Usfan Fm
🌎
Adaffa Fm
Siqaj Gr
🌎
Hofuf Fm
🌎
Dam Fm
🌎
Hadrukh Fm
🌎
Dammam Fm
🌎
Rus Fm
🌎
Umm er Radhuma Fm
🌎
Aruma Fm
🌎
Maliha Fm
🌎
Qiba Fm
🌎
Majma Fm
🌎
Wasia Fm
🌎
Huraysan Fm
🌎
Khafji Fm
🌎
Sallah Fm
🌎
Shu'aiba Fm
🌎
Biyadh Sandstone Fm
🌎
Buwaib Fm
🌎
Yamama Fm
🌎
Sulaiy Fm
🌎
Hith Anhydrite Fm
🌎
Arab Fm
🌎
Jubaila Fm
🌎
Hanifa Fm
🌎
Tuwaiq Mountain Limestone Fm
🌎
Dhruma Fm
🌎
Marrat Fm
🌎
Minjur Fm
🌎
Jilh Fm
🌎
Sudair Fm
🌎
Khuff Fm
🌎
Nuayyim Fm
🌎
Ga'ara Fm
🌎
Juwayl Fm
Unayzah Gr
🌎
Wajid Sandstone Fm
🌎
Bir El Rah Fm
🌎
Berwath Fm
🌎
Jubah Fm
🌎
Ora Fm
🌎
Jauf Fm
🌎
Tawil Fm
🌎
Qalibah Fm
🌎
Sharawra Fm
🌎
Qusaiba Fm
🌎
Uqlah Fm
🌎
Sarah Fm
🌎
Qasim Fm
🌎
Saq Sandstone Fm
🌎
Burj Fm
🌎
Siq Sandstone Fm
🌎
Hormuz Salt Fm
🌎
Khurayshah Gr
🌎
Muraykhah Fm
🌎
Badayi Fm
🌎
Rubtayn Fm
J'Balah Gr
🌎
Shammar Gr
🌎
Bakhtiari Fm
🌎
Upper Fars Fm
🌎
Fars Fm
🌎
Jeribe Fm
🌎
Lower Fars Fm
🌎
Sinjar Fm
🌎
R'mah Fm
🌎
Derro Volcanics Fm
🌎
Judea Fm
🌎
Cherrife Shale Fm
🌎
Shu'aiba Fm
🌎
Zubair Fm
🌎
Sargelu Fm
🌎
Qamchuka Fm
🌎
Mus Fm
🌎
Adaiyah Fm
🌎
Butmah Fm
🌎
Kurra Chine Fm
🌎
Doubayat Fm
🌎
Doubayat Gr
🌎
Heil Fm
🌎
Najeeb Fm
🌎
Markada Fm
🌎
Tanf Fm
🌎
Afendi Fm
🌎
Swab Fm
🌎
Khanaser Fm
🌎
Sosnik Fm
🌎
Zabuk Fm
🌎
Imbrik Fm
🌎
Belek Fm
🌎
Koprulu Fm
🌎
Yiginli Fm
🌎
Dadas Fm
🌎
Bedinan Fm
🌎
Amud Fm
🌎
Seydisehir Fm
🌎
Sosink Fm
🌎
Koruk Fm
🌎
Sadan Fm
🌎
Derik Fm
🌎
Bakhtiari Fm
🌎
Upper Fars Fm
🌎
Fars Fm
🌎
Pabdah Dubai Fm
🌎
Dammam Fm
🌎
Rus Fm
🌎
Umm er Radhuma Fm
🌎
Simsima Fm
🌎
Aruma Fm
🌎
Halul Gr
🌎
Ilam Gr
🌎
Laffan Fm
🌎
Ruwaydah Fm
🌎
Mishrif Fm
🌎
Tuwayil Fm
🌎
Shaif Fm
🌎
Mauddud Fm
🌎
Nahr Umr Fm
🌎
Shu'aiba Fm
🌎
Kharaib Fm
🌎
Habshan Fm
🌎
Arab Fm
🌎
Diyab Fm
🌎
Dhruma Fm
🌎
Izhara Fm
🌎
Marrat Fm
🌎
Hamlah Fm
🌎
Gulailah Fm
🌎
Khuff Fm
🌎
Haushi Fm