Triassic Terrain – Secondary Lands of Tigrinyaland and Semien
This is the tenth installment of the geological description of Tigrinyaland and Semien, and it explores the triassic terrains forming part of the secondary lands.
Diorite, Amphibolite, Etc – Secondary Lands of Tigrinyaland and Semien
This is the ninth installment of the geological description of Tigrinyaland and Semien, and it discusses the secondary lands composed of diorite, amphibolite, and related rocks.
Secondary Lands of Tigrinyaland and Semien: Carbonic Terrain
This is the eighth installment of the geological description of Tigrinyaland and Semien, and it explores the secondary lands made up of combustible terrains.
Syenite – Intermediate Lands of Tigrinyaland and Semien
This is the seventh installment of the geological description of Tigrinyaland and Semien, and it discusses the transitional or intermediate lands of Tigrinyaland and Semien composed of syenite rocks.
Phyllite and Related Rocks, Part 2 – Intermediate Lands of Tigrinyaland and Semien
This is the sixth installment of the geological description of Tigrinyaland and Semien, and it continues presenting the transitional or intermediate lands of Tigrinyaland and Semien made up of phyllites and related rocks.