Ilocos-Central Luzon Basin

Ilocos-Central Luzon Basin is a sedimentary basin and stratigraphic formation in the Ilocos Region and Central Luzon Region, Philippines .[1]

## Contents

* 1 Stratigraphic groupings
* 1.1 Ilocos
* 1.2 Luzon Central Valley
* 1.2.1 West side
* 1.2.2 East side
* 2 See also
* 3 References

## Stratigraphic groupings

### Ilocos

* Suyo Schist - greenschist, serpentinite, chert

* Ilocos Peridotite - serpentinized peridotite
* Bangui Formation - sandstone, conglomerate, mudstone; includes olistostrome
* Magabobbo Limestone - micritic limestone, calcarenites, minor argillites
* Bojeador Formation - conglomerate, graywacke, shale, limestone and associated volcanic flows and pyroclastics
* Pasaleng Quartz Diorite
* Dagot Limestone - reefal limestone, calcarenites, biosparites, minor calcareous volcanic conglomerate, particularly at the base and middle section
* Batac Formation - thinly bedded sandstone and shale; conglomerate
* Pasuquin Limestone - limestone with minor calcareous conglomerate, calcirudite, calcarenite
* Uplifted Coral Reefs

### Luzon Central Valley

#### West side

* Aksitero Formation - Lower Bigbiga Limestone – micritic limestone with tuffaceous turbidites and minor chert; Upper Burgos Member – Limestone, tuffaceous sandstone, siltstone and mudstone. This is coequival with Bigbiga Limestone.
* Moriones Formation - interbedded sandstone, shale, conglomerate with minor limestone; identified members are Sansotero Limestone and Malo Pungatan Limestone
* Malinta Formation - Lower Pau Sandstone – sandstones with minor tuffaceous shale, conglomerates and lapilli tuff; Upper Aparri Gorge Sandstone – sandstones with shale stringers and conglomerate lenses
* Tarlac Formation - interbedded sandstone, shale, conglomerate
* Amlang Formation - turbiditic sandstones and shale with minor conglomerates
* Cataguintingan Formation - mainly tuffaceous sandstones, with interbeds of siltstones, shales and conglomerate and minor limestone lenses
* Bamban Formation - tuffaceous sandstone and lapilli tuff with basal conglomerate.
* Damortis Formation - sandstone, calcarenite, siltstone, limestone and marl

#### East side

* Barenas-Baito Formation
* Bayabas Formation
* Angat Formation
* Madlum Formation
* Makapilapil Formation
* Lambak Formation
* Tartaro Formation
* Guadalupe Formation

## See also

List of stratigraphic formations in the Philippines

## References

1. ↑ Lexicon of Philippine Stratigraphy, Rolando Peña, 2008

0.00

(0 votes)

|

Retrieved from "https://handwiki.org/wiki/index.php?title=Earth:Ilocos-Central_Luzon_Basin&oldid=3900805"