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・ Nalla Pattukare
・ Nalla Reddi Naidu
・ Nalla Thambi
・ Nalla Thanka
・ Nalla Veedu
・ Nallabati Raghavendra Rao
・ Nallabelly
・ Nallacheruvu
・ Nallagatla Swamy Das
・ Nallah Mar
・ Nallajerla
・ Nallakannu
・ Nallakunta
・ Nallala Odelu
・ Nallamada
Nallamala Hills
・ Nallamalupu Bujji
・ Nallambal
・ Nallambalsamuthitram
・ Nallampalayam
・ Nallampalli
・ Nallampalli block
・ Nallampatti
・ Nallan Chakravartula Krishnamacharyulu
・ Nallanatti
・ Nallapadu
・ Nallapadu–Guntakal section
・ Nallapadu–Pagidipalli section
・ Nallappan Mohanraj
・ Nallarallapalli


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Nallamala Hills : ウィキペディア英語版
Nallamala Hills

The Nallamalas (also called the Nallamalla Range) are a section of the Eastern Ghats which stretch primarily over Kurnool, Guntur, Prakasam, Kadapa and Chittoor districts of the state of Andhra Pradesh and Mahabubnagar, Nalgonda districts of the state of Telangana, in India. They run in a nearly north-south alignment, parallel to the Coromandel Coast for close to 430 km between the rivers, Krishna and Pennar. Its northern boundaries are marked by the flat Palnadu basin while in the south it merges with the Tirupati hills. An extremely old system, the hills have extensively weathered and eroded over the years. The average elevation today is about 520 m which reaches 1100 m at Bhairani Konda and 1048 m at Gundla Brahmeswara.〔Google Earth〕 Both of these peaks are in a north westerly direction from the town of Cumbum. There are also many other peaks above 800 m.〔http://dsal.uchicago.edu/reference/gazetteer/pager.html?objectid=DS405.1.I34_V18_352.gif〕
==Geology==

The rocks of the Nallamala ranges belong to the Kadapa system which is a series some 20,000 ft. thick.〔(sciencedirect ) 〕 The primary rocks are Quartzite overlaid with an irregular slaty formation. Some sandstone is also to be found. The rocks here are very irregular and soft in texture thus rendering commercial exploitation impossible. These rocks are among the oldest in the world and have been formed as a result of large scale volcanic activity hundreds of millions of years ago. The evidence of the volcanic forces are evident in the foldings into which the rocks have been forced, in some cases the folds have been completely inverted.〔

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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