BOOK REVIEWS

BOOK REVIEWS Book reviews/Buchbesprechungen Calcareous Atgae broader context of economic geology including applications in petroleum and mineral exploration are given. John L. Wray. 185 pagesand 170 fjgs. Eisevier Scientific The book, which serves a good review of an interesting branch Publishing Company Amsterdam and New York- DfL 70.00/ of both palaeontology and phycology is specially recommended US $28.75. to geologists and marine biologists. Like t he algae themselves the calcareous algae do not oonstitute any specific systematic group» It consists of smaller or larger Tore Levring units of organisms -- unicellular or multiceUulai - belonging to different groups among the algae and often with close relationship to noncalcareous forms. They have in common the occurrence of calcareous skeletal material but show considerable Drogenkunde* Band 2, Gymnospermen, Kryptogamen, Tierische Variation in moiphology and in the kind and degree of calcific* Drogen, 8. Auflage. Heinz A. Hoppe. 366 pages. Walter de ation. Thus the thalli of a great number of äs well benthic äs Gruyter Berlin. New York 1977. DM 130,planktonic algae contain biochemically precipitated calcareous Vol l of this important and extensive handbook was published skeletal material. Calcareous algae have had a long and oontinuous in 1975, It is therefore very satisfying that the Vol. 2, including chronological record and ine lüde some of the oldest fossüs known. drugs from Gymnosperms. Cryptogams, and animals, has been Studies of these algae require approaches äs well from a biologpublished now- This new volunie is naturally arranged in the ical and palaeontological äs from a sedimentological side. same way äs the previous one with the species in alphabetic A historical review is followed by a chapter, where the morphol· order within each of the different major systematic groups. ogy, growth, nature, and causes of the calcification are described. Detailed Information is given about commercial designatioru A very useful classification with detailed descriptions of the origin, content of active substances, literature, etc. The book different groups of fossil and recent benthic calcareous algae is oontains also several useful registers. given. Included is also a description of their appearance during Compared with the 7th edition a progress of special value must various geological ranges. The occurrence and formation of be pointed out. It is no doubt an advantage that the drugs calcareous structures cxeated by nonskeletal algae and dating äs deriving from different groups of cryptogams and gymnosperms far back äs to eariy precambrian times is described in a special have been treated separatety, It is more perspicuous. It is also chapter. The algae have served a sediment-stabilizing role with apparent that especially the use of algae äs drug plants has different products äs a result, ranging from well laminated increased considerably during recent years. stromatolites and oncolites to crudely laminated structures. The author is congratulated to the second volume of his excellent textbook. The last chapter s are devoted to calcareous algae and their environments, Sediment producing algae, and algal facies in Tore Levring time, Ultimately viewpoints on the role of these algae in the Botanica Marina / VoL XX / 1977 / Fase. 7 http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Botanica Marina de Gruyter

BOOK REVIEWS

Botanica Marina, Volume 20 (7) – Jan 1, 1977

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Publisher
de Gruyter
Copyright
Copyright © 2009 Walter de Gruyter
ISSN
0006-8055
eISSN
1437-4323
DOI
10.1515/botm.1977.20.7.471
Publisher site
See Article on Publisher Site

Abstract

Book reviews/Buchbesprechungen Calcareous Atgae broader context of economic geology including applications in petroleum and mineral exploration are given. John L. Wray. 185 pagesand 170 fjgs. Eisevier Scientific The book, which serves a good review of an interesting branch Publishing Company Amsterdam and New York- DfL 70.00/ of both palaeontology and phycology is specially recommended US $28.75. to geologists and marine biologists. Like t he algae themselves the calcareous algae do not oonstitute any specific systematic group» It consists of smaller or larger Tore Levring units of organisms -- unicellular or multiceUulai - belonging to different groups among the algae and often with close relationship to noncalcareous forms. They have in common the occurrence of calcareous skeletal material but show considerable Drogenkunde* Band 2, Gymnospermen, Kryptogamen, Tierische Variation in moiphology and in the kind and degree of calcific* Drogen, 8. Auflage. Heinz A. Hoppe. 366 pages. Walter de ation. Thus the thalli of a great number of äs well benthic äs Gruyter Berlin. New York 1977. DM 130,planktonic algae contain biochemically precipitated calcareous Vol l of this important and extensive handbook was published skeletal material. Calcareous algae have had a long and oontinuous in 1975, It is therefore very satisfying that the Vol. 2, including chronological record and ine lüde some of the oldest fossüs known. drugs from Gymnosperms. Cryptogams, and animals, has been Studies of these algae require approaches äs well from a biologpublished now- This new volunie is naturally arranged in the ical and palaeontological äs from a sedimentological side. same way äs the previous one with the species in alphabetic A historical review is followed by a chapter, where the morphol· order within each of the different major systematic groups. ogy, growth, nature, and causes of the calcification are described. Detailed Information is given about commercial designatioru A very useful classification with detailed descriptions of the origin, content of active substances, literature, etc. The book different groups of fossil and recent benthic calcareous algae is oontains also several useful registers. given. Included is also a description of their appearance during Compared with the 7th edition a progress of special value must various geological ranges. The occurrence and formation of be pointed out. It is no doubt an advantage that the drugs calcareous structures cxeated by nonskeletal algae and dating äs deriving from different groups of cryptogams and gymnosperms far back äs to eariy precambrian times is described in a special have been treated separatety, It is more perspicuous. It is also chapter. The algae have served a sediment-stabilizing role with apparent that especially the use of algae äs drug plants has different products äs a result, ranging from well laminated increased considerably during recent years. stromatolites and oncolites to crudely laminated structures. The author is congratulated to the second volume of his excellent textbook. The last chapter s are devoted to calcareous algae and their environments, Sediment producing algae, and algal facies in Tore Levring time, Ultimately viewpoints on the role of these algae in the Botanica Marina / VoL XX / 1977 / Fase. 7

Journal

Botanica Marinade Gruyter

Published: Jan 1, 1977

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