Joshua Trimmer (11 July 1795 – 16 September 1857) was an

English English usually refers to: * English language * English people English may also refer to: Peoples, culture, and language * ''English'', an adjective for something of, from, or related to England ** English national ide ...

geologist A geologist is a scientist who studies the solid, liquid, and gaseous matter that constitutes Earth and other terrestrial planets, as well as the processes that shape them. Geologists usually study geology, earth science, or geophysics, althou ...

born at

North Cray North Cray is a village in south-east London, England, within the London Borough of Bexley. It is south-east of Charing Cross. It lies on the River Cray, east of Sidcup and south of Bexley, and is in the Cray Meadows electoral ward, which a ...

Kent Kent is a county in South East England and one of the home counties. It borders Greater London to the north-west, Surrey to the west and East Sussex to the south-west, and Essex to the north across the estuary of the River Thames; it faces ...

. He was the son of Joshua Kirby Trimmer of

Brentford Brentford is a suburban town in West London, England and part of the London Borough of Hounslow. It lies at the confluence of the River Brent and the Thames, west of Charing Cross. Its economy has diverse company headquarters buildings whi ...

, and grandson of

Sarah Trimmer Sarah Trimmer ('' née'' Kirby; 6 January 1741 – 15 December 1810) was a writer and critic of 18th-century British children's literature, as well as an educational reformer. Her periodical, '' The Guardian of Education'', helped to define the ...

(1741–1810), author of the ''Story of the Robins'' (1786).

Life

At the age of nineteen he was sent to

North Wales , area_land_km2 = 6,172 , postal_code_type = Postcode , postal_code = LL, CH, SY , image_map1 = Wales North Wales locator map.svg , map_caption1 = Six principal areas of Wales common ...

to manage a

copper Copper is a chemical element with the symbol Cu (from la, cuprum) and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a pinkis ...

mine for his father; subsequently he was placed in charge of a farm in

Middlesex Middlesex (; abbreviation: Middx) is a Historic counties of England, historic county in South East England, southeast England. Its area is almost entirely within the wider urbanised area of London and mostly within the Ceremonial counties of ...

, where he acquired a knowledge of and an interest in

soil Soil, also commonly referred to as earth or dirt, is a mixture of organic matter, minerals, gases, liquids, and organisms that together support life. Some scientific definitions distinguish ''dirt'' from ''soil'' by restricting the former te ...

s; in 1825 he became manager (for his father) of

slate Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism. It is the finest grained foliated metamorphic rock. ...

quarries near Bangor and Carnarvon, and in this district he remained for many years. He discovered the marine shells in the drift of Moel Tryfaen. During the years 1850 to 1854 he was engaged on the

Geological Survey A geological survey is the systematic investigation of the geology beneath a given piece of ground for the purpose of creating a geological map or model. Geological surveying employs techniques from the traditional walk-over survey, studying outc ...

, and surveyed parts of the New Forest in

Hampshire Hampshire (, ; abbreviated to Hants) is a ceremonial county, ceremonial and non-metropolitan county, non-metropolitan counties of England, county in western South East England on the coast of the English Channel. Home to two major English citi ...

. He died in

London London is the capital and largest city of England and the United Kingdom, with a population of just under 9 million. It stands on the River Thames in south-east England at the head of a estuary down to the North Sea, and has been a majo ...

. He published memoirs on the ''Origin of the Soils which cover the Chalk of Kent''; ''On the Geology of Norfolk, as Illustrating the Laws of the Distribution of Soils'' (1847); and ''Proposals for a Geological Survey, specially directed to Agricultural Objects'' (1850); in this respect he was a pioneer in

agricultural Agriculture or farming is the practice of cultivating Plant, plants and livestock. Agriculture was the key development in the rise of Sedentism, sedentary human civilization, whereby farming of Domestication, domesticated species created food ...

geology Geology () is a branch of natural science concerned with Earth and other astronomical objects, the features or rocks of which it is composed, and the processes by which they change over time. Modern geology significantly overlaps all other Ear ...

. He was also the author of another useful work ''Practical Geology and Mineralogy'' (1841).

Notes

References

* * * {{DEFAULTSORT:Trimmer, Joshua 1795 births 1857 deaths People from North Cray English geologists