Search results
Results From The WOW.Com Content Network
The soil is a mix of slate and quartz that dates to the Paleozoic era. The soil is very porous and drains well. Syrah, Grenache and Carignan have done well in this soil type. [2] Loam – Warm, soft, fertile soil composed of roughly equal amounts of silt, sand and clay. It is typically too fertile for high-quality wines that need to limit ...
Slate is mainly composed of the minerals quartz, illite, and chlorite, which account for up to 95% of its composition. The most important accessory minerals are iron oxides (such as hematite and magnetite), iron sulfides (such as pyrite), and carbonate minerals.
Paleobotany, also spelled as palaeobotany, is the branch of botany dealing with the recovery and identification of plant remains from geological contexts, and their use for the biological reconstruction of past environments (paleogeography), and the evolutionary history of plants, with a bearing upon the evolution of life in general.
Plant nutrition is the study of the chemical elements and compounds necessary for plant growth and reproduction, plant metabolism and their external supply. In its absence the plant is unable to complete a normal life cycle, or that the element is part of some essential plant constituent or metabolite .
Swithland gives its name to a line of 'slate' outcrops found along the east side of Charnwood, from Hallgates and Little John, through Swithland Wood and The Brand, up to Woodhouse Eaves. All these locations have old slate quarry pits, as does a corresponding outcrop on the other side of the Charnwood anticline at Groby. Swithland Wood had been ...
In seed plants (gymnosperms and flowering plants), the sporophyte forms most of the visible plant, and the gametophyte is very small. Flowering plants reproduce sexually using flowers, which contain male and female parts: these may be within the same ( hermaphrodite ) flower, on different flowers on the same plant , or on different plants .
Slate has been quarried in north Wales for almost two millennia with the Segontium Roman fort at Caernarfon being roofed by local slate in the late second century. Export of slate has been carried out for several centuries, which was recently confirmed by the discovery in the Menai Strait of the wreck of a 16th-century wooden ship carrying finished slates.
Some of the first published representations of fossils were those of fossil plants taken from the coal measures near Neath (Gibson late 17th century). In the mid-19th century, two prominent geologists, Roderick Murchison and Adam Sedgwick used their studies of the geology of Wales to establish certain principles of stratigraphy and palaeontology .