thumb|330x330px|Map of the world at the Carboniferous-Permian boundary (~ 300 million years ago) showing Cathaysia (pink) Cathaysia was a microcontinent or a group of terranes that rifted off Gondwana during the Late Paleozoic. They mostly correspond to the modern territory of China, historically referred to in Europe as Cathay, which was split into the North China and South China blocks.
华夏地块是指扬子克拉通东南缘、以南的中国华南的大陆，可能还包括“沉入”东海和南海的陆块。地块(block)是一个地理上的概念，没有确定的地质含义和时间概念，并非对应于“古陆”。因此华夏地块概念是对该地区其他有争议的“华夏古陆”、“华夏板块”、“华南褶皱带”等命名的一个替代性的、目前通用的术语。
Abstract from DBpedia / Wikipedia · CC BY-SA
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).