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Cenozoic
Cretaceous
Jurassic
Triassic
Permian
Carboniferous
Devonian
Early Paleozoic

Welcome to the Thailand Lexicon of Stratigraphic Units!
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Takua Pa Fm
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Thalang Fm
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Trang Fm
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Surin Fm
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Payang Fm
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Tai Fm
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Kantang Fm
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Ranong Fm
Mergui Gr
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Yala Fm
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Pattani Sequence V Fm
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Pattani Sequence IV Fm
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Pattani Sequence III Fm
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Pattani Sequence II Fm
Pattani Basin Gr
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Pattani Sequence I Fm
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Phu Thok Fm
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Maha Sarakham Fm
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Khok Kruat Fm
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Phu Phan Fm
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Sao Khua Fm
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Phra Wihan Fm
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Phu Kradung Fm
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Upper Nam Phong Fm
Khorat Gr
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Lower Nam Phong Fm
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Huai Hin Lat Fm
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Nam Duk Fm
Saraburi Gr
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Si That Fm
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Chaliang Lab Fm
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Wichian Buri Gr
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Phu Thok Fm
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Maha Sarakham Fm
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Khok Kruat Fm
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Phu Phan Fm
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Sao Khua Fm
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Phra Wihan Fm
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Phu Kradung Fm
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Upper Nam Phong Fm
Khorat Gr
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Lower Nam Phong Fm
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Khao Nam Yot Fm
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Huai Hin Lat Fm
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Pha Dua Fm
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Sap Bon Fm
Hua Na Kham Fm
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Khao Khad Fm
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Nong Pong Fm
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Pang Asok Fm
Pha Nok Khao Fm
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E-Lert Fm
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Khao Khwang Fm
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Nam Mahoran Fm
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Phu Phe Fm
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Tak Fa Fm
Huai Som Fm
Saraburi Gr
Loei Gr
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Wang Saphung Fm
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Ban Sa Ngao Fm
Nong Dok Bua Fm
Dok Du Fm
Pak Chom Fm
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Mae Taeng Fm
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Mae Long Fm
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Ban Pa Kha Fm
Li Basin Gr
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Kong Mu Fm
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Mai Hung Fm
Huai Pong Gr
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Pa Lan Fm
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Mae Tha Fm
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Fang Red-beds Fm
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Doi Kong Mu Fm
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Mae Ping Fm
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Suan Mark Limestone Fm
Khlong Wang Chao Gr
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Pong Nam Ron Quartzite Fm
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Doi Chiang Dao Limestone Fm
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Fang Chert Fm
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Noen Phu Yai Yua Fm
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Pong Nam Ron Fm
Chanthaburi Gr
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Noen Po Fm
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Sookpraiwan Fm
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Wat Khao Hin Limestone Fm
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Carboniferous at Khao Yai Fm
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Klaeng Schist and Phyllite Fm
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Ping Fm
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Chao Phraya Gr
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Yom Fm
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Prato Tao Fm
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Chum Saeng Fm
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Lan Krabu Fm
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Khom Fm
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Nong Bua Fm
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Sarabop Fm
Phitsanulok Gr
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Ko Sichang Limestone Fm
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Sattahip Fm
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Krabi Gr
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Phun Phin Fm
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Sam Chom Fm
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Lam Thap Fm
Thung Yai Gr
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Khlong Min Fm
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Sai Bon Fm
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Sani Fm
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Khlong Kon Limestone Fm
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Chedi Conglomerate Fm
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Ratburi Limestone Fm
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Kaeng Krachan Gr
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Yaha Fm
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Khuan Klang Fm
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Pa Samed Fm
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Kuan Tung Fm
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Wang Tong Fm
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Pa Kae Fm
Satun Gr
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Thung Song Limestone Fm
Nga Chang Supergroup Gr
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Tarutao Gr
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Khanom Gneissic Complex Gr
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Chao Phraya Gr
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Chumphon Basin Offshore Gr
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Chumphon Redbeds Fm
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Khao Lak Fm
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Ratburi Limestone Fm
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Khao Phra Fm
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Khao Chao Fm
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Ko He Fm
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Spillway Fm
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Kaeng Krachan Gr
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Laem Mai Phai Fm
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Mae Sot Fm
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Mae Pa Fm
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Mae Ramat Fm
Mae Sot Gr
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Lu Kloc Tu Fm
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Phu Khloe Khi Fm
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Ta Sue Kho Fm
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Klo Tho Fm
Umphang Gr
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Kamawkala Limestone Fm
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Mae Sariang Fm
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Doi Phawar Fm
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Kaeng Krachan Gr
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Pharaka Fm
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Bo Phloi Fm
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Tha Manao Limestone Fm
Chao Nen Gr
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Chao Nen Quartzite Fm
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Wang Chin Fm
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Kang Pla Fm
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Pha Daeng Fm
Song Gr
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Doi Long Fm
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Hong Hoi Fm
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Pha Kan Fm
Lampang Gr
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Phra That Fm
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Huai Thak Fm
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Pha Huat Fm
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Kiu Lom Fm
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Khanu Chert Fm
Ngao Gr
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Khao Luang Fm
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Lan Hoi Fm
Dan Lan Hoi Gr
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Khao Khi Ma Fm
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Thung Saliam Limestone Fm
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Khao Khieo Tuff Fm
Khao Kieo Tuff Fm
Sukhothai Gr