Plagioclase from
Purimetla, Prakasam District, Andhra Pradesh, India

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Predictive Mineralogy

Classification
Locality type:	Intrusion
Species:	'Plagioclase' (not an IMA approved species)
Formula:	(Na,Ca)[(Si,Al)AlSi₂]O₈
Confirmation
Validity:	Believed Valid
Data
Mineral Data:	Click here to view Plagioclase data
Locality Data:	Click here to view Purimetla, Prakasam District, Andhra Pradesh, India
Data Identifiers
Mindat Occurrence Record ID:	760596
Long-form Identifier:	1:3:760596:3
GUID (UUID V4):	0
Nearest other occurrences of Plagioclase

10.7km (6.6 miles)	ⓘ Pasupugallu pluton, Prakasam District, Andhra Pradesh, India
13.1km (8.1 miles)	ⓘ Settupalle pluton, Prakasam District, Andhra Pradesh, India
15.7km (9.8 miles)	ⓘ Elchuru Complex, Prakasam District, Andhra Pradesh, India
21.8km (13.6 miles)	ⓘ Kotappa Konda outcrops, Prakasam District, Andhra Pradesh, India
26.0km (16.2 miles)	ⓘ Chintalacheruvu, Palnadu District, Andhra Pradesh, India
28.0km (17.4 miles)	ⓘ Chimakurti Pluton, Prakasam District, Andhra Pradesh, India
30.1km (18.7 miles)	ⓘ Uppalapadu Pluton, Prakasam District, Andhra Pradesh, India
38.8km (24.1 miles)	ⓘ Podili, Prakasam District, Andhra Pradesh, India
References
Gabbro intruded the granite-gneiss and amphibolite country rock, and was in turn intruded by an alkaline plutonic rock, exposed in Purimetla and a belt stretching about 4km to the NE and 4km to the SW. Leelanandam, C., & Ratnakar, J. (1980). Ocellar lamprophyres from the Purimetla alkaline pluton, Prakasam district, Andhra Pradesh. QJ Geol. Ming. Metall. Soc. India, 52(2), 77-79. Madhavan, V., & Leelanandam, C. (1981). The aenigmatite-bearing alkaline rocks from the Prakasam and Nellore districts of Andhra Pradesh. Current Science, 50(7), 320-321. Leelanandam, C., & Ratnakar, J. (1983). The Purimetla alkaline pluton. Prakasam District, Andhra Pradesh. Quart. Jour. Geol. Min. Met. Soc. India (presently Indian Jour. Geol.), 55, 14-30. Ratnakar, J., & Leelanandam, C. (1986). A PETROCHEMICAL STUDY OF THE PURIMETLA ALKALINE PLUTON, PRAKASAM DISTRICT, ANDHRA-PRADESH, INDIA. NEUES JAHRBUCH FUR MINERALOGIE-ABHANDLUNGEN, 156(1), 99-119. *Leelanandam, C. (1989) The Prakasam Alkaline Province in Andbra Pradesh, India. Journal Geological Society of India, 34 (1). 25-45 doi:10.17491/jgsi/1989/340102*

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Plagioclase from Purimetla, Prakasam District, Andhra Pradesh, India

Plagioclase from
Purimetla, Prakasam District, Andhra Pradesh, India