12-565: Tirupati Eparchaean Unconformity , a notified National Geo-heritage Monument is a major discontinuity of stratigraphic significance that represents a period of remarkable serenity in the geological history of the Earth i.e. sudden changes and discontinuity in the rock layers in Earth's crust. It is seen at the steep natural slopes, road scars and ravines in the Tirupati – Tirumala Ghat road in Tirupati district of Andhra Pradesh , India. In 2001,
24-659: The Eastern Ghats . Tirupati Temple , the most famous pilgrimage centre in South India is in the midst of the range of hills. The hills enclose the temple town to give it a form of an amphitheatre setting. The Tirupati hills are situated at the foot of a range of hills known by several names, including 'Seshachala', 'Venkatachala' and 'Balaji'. There are four geological units: The Tirumala hills essentially of precambrian period are composed of sedimentary rocks – quartzites and intercalated shales , which are referred to as
36-590: The Geological Survey of India (GSI) declared the unconformity to be one of the 26 "Geological Monuments of India". GSI's commemoration document, published on the occasion of the 150 years anniversary celebration, provides an insight into the formation of the subcontinent, the orogeny , the paleoenvironment and the exotic collection of paleo- flora and fauna . The details provided for the Eparchaean Unconformity monument indicate that this feature forms
48-515: The Government of India 's Geological Survey of India (GSI), for their maintenance, protection, promotion and enhancement of geotourism . There are 34 notified National Geological Heritage Monument Sites of India. GSI or the respective State governments are responsible for taking necessary measures to protect these sites. There are 12 geo-tourism sites in Northeast India notified by
60-522: The Cudappah basin is of the order of 12 kilometres (7.5 mi), and includes volcanic sequences in the form of sills and dykes . A prominent Eparchaean Unconformity of the formation resting on the archaean peninsular gneissic complex is noted. Rocks of the Cuddapah Supergroup, and the overlying Kurnool Group, comprise the stratigraphic sequence of the basin. This feature is contiguous all along
72-1015: The Geological Survey of India (GSI) for promotion of geo-tourism. Renigunta Renigunta is a suburb and neighbourhood of Tirupati located in Tirupati district of the Indian state of Andhra Pradesh . It is a part of Tirupati urban agglomeration . Tirupati Airport is located in Renigunta. It is also one of the mandals in Tirupati district . It also falls in the jurisdictional limit of Tirupati Urban Development Authority . It has road connectivity by means of national and state highways . Kadapa Chennai National Highway 716 (India) NH 716 connects Tirupati with Chennai in Tamil Nadu and National Highway 71 that connects Madanapalle with Nayudupeta also passes through it. Bus services operated by APSRTC provides local transport for
84-683: The Nagari quartzites, which forms part of the Cuddapah Supergroup. It is a subset of the Purana rock succession that rests above the archaean rocks. The hill ranges of the Tirumala rise to a height of 900 metres (3,000 ft) (at Tirumala) from the average height of 150 metres (490 ft) in the plains at Tirupati. The steep scarp of the ranges shows the Eparchian Unconformity's topographic, structural and denudational features. The sedimentary thickness of
96-487: The approach to the Tirumala temple is only by road, a distance of 10 kilometres (6.2 mi). The nearest airport is located at Renigunta , in Tirupati city, which connects to Chennai , Hyderabad and Bangalore airports. Regular bus services (both private and government) are operated by all the states bordering Andhra Pradesh. National Geological Monument National Geological Monuments are geographical areas of national importance and heritage , as notified by
108-499: The boundary surface between Proterozoic Nagari Quartzites and Archaean granite. The time gap between the formation of the two units is at least 500 Ma . At this location, the boundary is between sedimentary rocks of the Cudappah Supergroup, 1600 million years in age, and Archaean rocks comprising granites , gneisses and dolerite dykes that are more than 2100 million years old. This unconformity gives an indication of
120-552: The defined Archaean-Cuddapah contact zone even though its age may vary along its traced path. The location of the Geological Monument is well connected by road, rail and air routes. The nearest railhead to Tirumala hills is Tirupati . The geological monument is located 10 kilometres (6.2 mi) northwest of Tirupati town, at the 12 kilometres (7.5 mi) point on the Tirupati – Tirumala Ghat road. From Tirupati railway station
132-515: The enormous time gap in the creation of the Earth's crust. The geological monument is located in the Tirupati valley, which is bounded between ( 13°30′00″N 79°22′30″E / 13.50°N 79.375°E / 13.50; 79.375 ) and ( 13°27′N 79°45′E / 13.45°N 79.75°E / 13.45; 79.75 ). The basin is delimited between the Palakonda - Velikonda and Sanambatla- Srikalahasti and Nagari ranges of
SECTION 10
#1732859392533144-551: The people. Renigunta Junction is one of the main junctions that connects Chennai-Bangalore line and the Guntakal–Chennai Egmore section of Mumbai–Chennai line . It is also connected to Gudur on the Vijayawada-Chennai line of Howrah-Chennai main line . Tirupati Airport serves passengers of Tirupati . The primary and secondary school education is imparted by government, aided and private schools, under
#532467